If an archaeologist finds a fossilized leaf that has approximately 25% of its Potassium-40 remaining, then how old is the leaf fossil?
Answers
The half-life of potassium-40 is approximately 1.3 billion years. If the fossilized leaf has approximately 25% of its original Potassium-40 remaining, then it has undergone two half-lives of decay (i.e., 50% decay). Therefore, the leaf fossil is approximately 2.6 billion years old.
In this case, the fossilized leaf has approximately 25% of its original potassium 40 remaining. This means that three-quarters of the potassium-40 has decayed (i.e., one-half of the remaining potassium-40 has decayed twice). Therefore, we know that the fossilized leaf has undergone two half-lives of decay. The calculation is below:
Age = (number of half-lives) x (half-life of potassium-40)
Age = 2 x 1.3 billion years
Age = 2.6 billion years
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Related Questions
What do homologous structures like arm bones show about the ancestry of two species like alligators and bats?
Answers
Analogous structures demonstrate that identical selective pressures might result in similar adaptations, whereas homologous structures indicate evidence for shared ancestry. biological molecules' distinctions and similarities.
What does the homology of two species' structures reveal?If two or more species have similar physical characteristics, it's possible that all of them inherited them from a common ancestor. Homologous structures are traits that are similar because they have a common ancestor. A structural homology is the comparable bone arrangement in the forelimbs of humans, birds, and whales.
What two animals have limbs that resemble human arms?With a large upper "arm" bone and a smaller lower "leg" bone, the flipper of a whale, the wing of a bat, and the leg of a cat are all strikingly similar to the human arm.
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Which part of the brain is responsible for thinking and planning? limbic system hypothalamus brain stem cerebral cortex
Answers
Cerebral Cortex is responsible for thinking and planning.
Cerebral Cortex- The outer layer of neuronal tissue that makes up the cerebrum of the brains in mammals and humans is called the cerebral cortex, often referred to as the cerebral mantle. Only 10% of the cerebral cortex is made up of allocortex, which is a six-layered structure.
Neuronal tissue- The neural tissue performs some specific duties as a specialized tissue. It is the primary element of the nervous system, including the central and peripheral nervous systems. The brain, spinal cord, and nerves are the three main components of our nervous system that are made of nervous tissue.
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What does somatic mean ?.
Answers
Alice was participating in a photosynthesis lab for science class. The lab procedures instructed Alice to prepare a test tube containing water, a sprig of elodea (a common aquarium plant), and 10 g of sodium bicarbonate (NaHCO3). She was then instructed to place the test tube in front of a strong light source for one minute. Alice noticed tiny bubbles forming on the leaves of the elodea. What is the most logical explanation for why Alice saw bubbles forming on the leaves of the elodea?Group of answer choicesThe bubbles formed as a result of the hydrogen from the sodium bicarbonate mixture dissolving the elodea leaves.The bubbles formed from the release of water molecules from the elodea leaves.The bubbles formed as the elodea plant released oxygen from the elodea leaves.The bubbles formed as the elodea plant released carbon dioxide from the elodea leaves.
Answers
Step 1.
Write down the experiment data.
- tube containing water;
- alodea (photosynthetic organism);
- 10 g of sodium bicarbonate;
- light source.
Step 2.
Why bubbles are formed on the leaves of the alodea?
The experiment have all the condictions for photosynthesis, since it provides: water (that is in the tube), CO2 (because of the dissolved sodium bicarbonate), light (because of the string light source). Therefore the most ogical explanation for Alice experiment results is: the bubbles formed as the elodea plant releases oxygen from the elodea leaves, that because with all the elements in the experiment the plant can do a normal photosynthetic process that way realing oxygen in the tube and forming bubbles of "air".
Which amino acid chain will be formed by the codons shown below?
GGU AGC CGG
Messenger
Second base in codon
RNA Codons U
с
А
UUU UCU UAU UGU
Phel
UUC
UCC UAC
Tyr
UGC
Cys
U
Ser
UUA JUCA UMA SU
Leu
UUG UCG AS SUGG Trp
CUU CCU CAU ICGU
His
CUC CCC CAC
Leu
Pro
Arg
CUA
CCA CANA
Gin
CGA
CUG CCG CAG CGG
AUU ACU AAU AGU
Asn
AUC
Ser
lle ACC AAC AGC
Thr
AUA ACA AAA
Lys
AGA) Ang A E
AUC ACG AAG AGG
GUU GCU GAU
Aso
GGU
GUC GCC GAC GGC
Val
Ala
Gly
GUA GCA GAA
Glu
GGA
GUG GCG GAG) GGG
CGC
First base in codon
Third baso in codon
O A. Glu-Thr-Arg
O B. Gly-Ser-Arg
O C. Glu-Ser-Arg
O D. Gly-Thr-Arg
Answers
Answer:
GGA, it is the dominant one.
correct answer is B; Gly-Ser-Arg.
You have just witnessed a car accident. Your heart rate and respiration rate are likely to be elevated due to ____ nervous system activity.
Answers
You have just witnessed a car accident. Your heart rate and respiration rate are likely to be elevated due to sympathetic nervous system activity.
The nervous system is an extensive organ network that connects various body parts and systems to coordinate and control the body's functions. It is the master controlling and communication system in the body, comprising the brain, spinal cord, and peripheral nerves. The nervous system consists of two major divisions: the central nervous system (CNS) and the peripheral nervous system (PNS).
The nervous system controls the body's functions through electrical signals, the nervous impulses that travel along nerve cells called neurons. The nervous system detects changes inside and outside the body and initiates responses to maintain homeostasis. It has two main types of nerve cells: the sensory neurons that detect stimuli and carry signals from receptors to the CNS, and the motor neurons that carry signals from the CNS to the muscles and glands.
The nervous system regulates heart rate and respiration rate to meet the body's demand for oxygen and nutrients. Sympathetic and parasympathetic divisions of the autonomic nervous system (ANS) control heart rate and respiration rate. The sympathetic division is responsible for increasing heart rate and respiration rate during stress or exercise, while the parasympathetic division decreases heart rate and respiration rate during rest or relaxation.
When you witness a car accident, your nervous system's sympathetic division is activated, leading to the release of adrenaline and noradrenaline hormones that prepare your body to respond to the perceived threat. These hormones cause your heart rate and respiration rate to increase, increasing oxygen and nutrients delivery to your tissues and muscles and preparing them to fight or flee. The activation of the sympathetic nervous system during stress is an adaptive response that helps you cope with the perceived danger.
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what are different types of stimuli?
Answers
Answer:
three types of stimuli—mechanical, thermal, and chemical; some endings respond primarily to one type of stimulation, whereas other endings can detect all types. Chemical substances produced by the body that excite pain receptors include bradykinin, serotonin, and histamine."
Explanation:
From edge
explain the porcess that occured in the yeast cells in which the congo red stain was absorbed
Answers
When yeast cells come into contact with Congo Red stain, a specific process known as cell wall remodeling or morphogenesis takes place.
An overview of the cell wall remodeling or morphogenesis:
Recognition and Binding: The yeast cells recognize and bind to the Congo Red stain molecules present in the environment. This binding occurs due to interactions between specific components on the yeast cell surface, such as proteins or polysaccharides, and the Congo Red molecules.Cell Wall Remodeling: Upon binding to the Congo Red stain, the yeast cells initiate a process of cell wall remodeling. The cell wall, which is a rigid outer layer of the yeast cell, undergoes structural changes to accommodate the stain molecules.Incorporation and Absorption: During cell wall remodeling, the yeast cells incorporate the Congo Red stain molecules into their cell wall structure. This absorption occurs as the cell wall components rearrange and interact with the stain molecules, allowing them to become embedded within the cell wall matrix.Stain Retention: The absorbed Congo Red stain molecules become trapped within the cell wall of the yeast cells. The exact mechanism of retention may vary but can involve physical entrapment or specific interactions between the stain molecules and cell wall components.Visualization: The absorbed Congo Red stain can be visualized using microscopy techniques. The stain molecules exhibit characteristic color properties that allow researchers to observe and analyze the distribution and intensity of the stain within the yeast cells.It's important to note that the specific details of the cell wall remodeling and absorption process may vary depending on the specific characteristics of the yeast species and the experimental conditions. However, the general process outlined above describes the absorption of Congo Red stain by yeast cells and the subsequent incorporation of the stain into their cell walls.
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at what age does an infant typically first exhibit separation anxiety?
Answers
Separation anxiety is a developmental stage experienced by many infants and young children. Separation anxiety can begin around six months and usually peaks around 18 months, and then declines with age. Separation anxiety in infants is when the baby is distressed when separated from his/her primary caregiver.
The baby might scream, cry, or cling to the parent when they try to leave the room. It can begin around six months of age and typically peaks around 18 months, and then declines with age. Separation anxiety is a typical part of infant development and is generally considered a normal stage of development. Infants at this age may feel fear and panic when separated from their primary caregivers.
They may cry, become fussy, or refuse to eat or sleep. Separation anxiety is a normal part of development, and it typically fades away with age. Separation anxiety is a normal part of development, and it usually starts around six months of age and peaks at 18 months. It's perfectly typical and is a signal that the child is developing healthy bonds with their primary caregivers.
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Photosynthesis is the process by which a cell captures energy in sunlight and uses it to make _____________.
A Water
B Waste
C Oxygen
D Food
Answers
How many different 8-mer sequences of DNA are there? (Hint: There are 16 possible dinucleotides and 64 possible trinucleotides.)
Answers
A "k-mer" sequence in a DNA is just a sequence of k characters in a string (or nucleotides in a DNA sequence). Now, it is important to remember that to get all k-mers from a sequence you need to get the first k characters, then move just a single character for the start of the next k-mer, and so on. Effectively, this will create sequences that overlap in k-1 positions. There are a total of 65,536 different 8-mer sequences of DNA.
To calculate the number of different 8-mer sequences of DNA, we need to consider that each position in the sequence can have 4 different nucleotides: adenine (A), thymine (T), cytosine (C), and guanine (G). Since we are considering an 8-mer sequence, there are a total of 8 positions.
For each position, there are 4 possible nucleotides, so the total number of possible sequences is obtained by multiplying the number of choices for each position. Therefore, the total number of different 8-mer sequences is 4⁸, which equals 65,536.
It's important to note that the hint provided about 16 possible dinucleotides and 64 possible trinucleotides is not directly relevant to calculating the number of different 8-mer sequences. The number of dinucleotides and trinucleotides represents the number of possible combinations of adjacent nucleotides, but for an 8-mer sequence, we need to consider all possible combinations of nucleotides for each position.
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A chart showing the amount of rain each month in a region is an example of a scientist's
a. variables
b. data
c. conclusions
d. inferences
Answers
A chart showing the amount of rain each month in a region is an example of a scientist's data. Thus, the correct option is B.
What is Scientific data?Scientific data may be defined as the source of information that is significantly based on research completed by scientists and which has been published in a peer-reviewed journal. This source of data also assists future research based on a specific topic.
Inferences may be defined as the sort of predictions that are usually made before the actual performance of any research. A Conclusion may be defined as the outcome of any research that satisfactorily delivers the evidence to prove the hypothesis.
Variables are those that involve complete methodology on the factors which have to be estimated during an experiment or research.
Therefore, a chart showing the amount of rain each month in a region is an example of a scientist's data. Thus, the correct option is B.
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Which reason BEST explains the difference in elevation of the Hawaiian islands listed in the table?
Answers
The reason that best explains the difference in elevation of the Hawaiian islands listed in the table is that the evidence that supports the observation that the Hawaiian islands appear to be older at one end of the island chain than the other are:
-The islands have different types of sand
-The volcanoes on the islands vary in elevation.
What are the Hawaiian islands?The Hawaiian islands has been defined as the a group of volcanic and coral islands in the central Pacific ocean.
The reason that best explains the difference in elevation of the Hawaiian islands listed in the table is that the evidence that supports the observation that the Hawaiian islands appear to be older at one end of the island chain.
Therefore, the evidence that supports the observation that the Hawaiian islands appear to be older at one end of the island chain than the other are the islands have different types of sand and the volcanoes on the islands vary in elevation.
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What is macroevolution?
major changes in populations over a long time
genetic changes among and within populations
changes in a population's allele frequencies
minor changes in populations over a long time
Answers
Answer:
major changes in populations over a long time
Compare and contrast the structure and function of DNA and RNA.
▪ Identify the bases used in DNA and RNA and how they pair – classify
each as a purine or pyrimidine
Answers
Answer:
DNA has a double- helix structure which means it has two strands. The DNA strands are made from sugar (Deoxyribonucleic), phosphates and nitrogenous bases. There are 4 nitrogenous bases, 2 purine and 2 pyrimidine. The 2 purine bases are Adenine and Guanine. The pyrimidine bases are Thymine and Cytosine. DNA gives our genes.
RNA is a single strand unlike DNA. The strands are made from sugar (ribonucleic), phosphate and the nitrogenous bases. There are 4 nitrogenous bases 2 purine and 2 pyrimidine. The 2 purine bases are Adenine and Guanine. However, the 2 pyrimidine bases are Uracil and Cytosine. The function of RNA is to contribute to releasing proteins based on our rRNA and tRNA and mRNA. This process is known as RNA and transcription.
Explanation:
In the simulation, you will observe onion cells, red blood cells, and human bone cells under a microscope. Write down your predictions of the similarities and differences you will see when you look at these different types of cells.
Answers
Answer:
Similarities
All three cells will contain cytoplasmAll three cells will have a cell membraneDifferences
Only the onion cell will contain chloroplastThe onion and human blood cells will contain a nucleus, but the red blood cell will not.Only the onion cell will have a large central vacuoleOnly the onion cell will contain a cell wallThe red blood cell will have a disc shape while the onion cell will have a rigid shape and the bone cell has a irregular shape.the spreading out of molecules in air from a center of concentration is caused by
Answers
The spreading out of molecules in the air from a center of concentration is caused by diffusion. Diffusion is the movement of molecules from a region of high concentration to a region of low concentration.
This process occurs due to the random motion of particles, and it is driven by the natural tendency of particles to move from an area of high concentration to an area of low concentration.
Diffusion plays a vital role in many natural processes, including gas exchange in the lungs, transport of nutrients and waste products across cell membranes, and the release of odor molecules into the air.
In each of these processes, the molecules move from a region of high concentration to a region of low concentration due to the natural tendency of particles to spread out and become evenly distributed over time.
The rate of diffusion is influenced by several factors, including the concentration gradient, the temperature of the environment, and the size and shape of the molecules involved.
Diffusion can be a slow process, particularly over long distances or in areas where the concentration gradient is small, but it is a fundamental mechanism that underlies many of the processes that allow living organisms to function and survive.
Overall, the spreading out of molecules in the air from a center of concentration is an essential process that is driven by the natural tendency of particles to diffuse and become evenly distributed over time.
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You are requested to implement a simple virus management system. "A virus is a submicroscopic infectious agent that replicates only inside the fiving cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. "Viruses can be classified into various categories according to the Baltimore classitication (see link for more details). Any virus can be identified by many fields including an official name, date when it was first discovered, who discovered... 1- (1 mark) Describe the virus and research Lab data types, Virus and ResearchLab, using Java classes. Make sure to use Java inheritance, an interface, and an abstract class. 2. (4 marks) We want to implement a simple application that manages the viruses stored in research Labs. You are asked to develop a Java application that uses. an array to store all information regarding the viruses maintained in each research Lab and using the newly created data types: Virus and ResearchLab defined in 1). You should provide a menu with the following options: Please use the partial Java code provided with this assignment which prints the menu. You MUST do this lab in groups of a maximum two students. This Programming Assignment counts for 5 marks. You should upload your java program and screen shot of the test on blackboard on time. Any late submission will be penalized (−0.25/ day . Warning: Plagiarism will be reported to the Academic integrity Office CSC301-Data Structures and Algorithms (Fall 2022)
Answers
To implement a virus management system, create Virus and ResearchLab classes in Java, using inheritance and an interface. Use an array to store virus information and provide menu options for managing the viruses.
To implement a virus management system, we can create two Java classes: "Virus" and "ResearchLab". The "Virus" class will represent a virus and will have fields such as the official name, discovery date, and discoverer's name. The "ResearchLab" class will represent a research lab and will contain an array to store information about the viruses stored in that lab. To ensure code reusability and structure, we can create an abstract class called "Organism" that both "Virus" and "ResearchLab" classes will inherit from. This abstract class can define common properties and methods related to organisms.
We can create an interface called "Infectious" that specifies the behavior of infectious organisms. The "Virus" class can implement this interface to indicate that it is an infectious agent. By using these classes, we can develop a Java application that manages viruses stored in research labs. The application can provide a menu with options such as adding a new virus, removing a virus, displaying all viruses in a lab, etc. The menu can be implemented using the partial Java code provided, and the functionality can be implemented using the defined classes and data types.
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Which countries do endangered, vulnerable, and critically endangered species of caecilians live in? Please only give the countries of those asked for, and not all species.
Answers
The caecilians can be found in Central America.
What are the caecilians ?
The caecilians are the kind of species that we call the amphibians and this means that they can be able to live both on the land and in the water. As we know, when we say that a specie is an endangered specie what we mean is that such a specie is very close to becomming aspecie that os exteinct and may soon stop existing.
The caecilians are not snakes and they are not worms but they belong to the class that we call the amphibians and they can be found in the many areas around South America.
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"Crossing Over" occurs in Prophase 1 of Meiosis.
True
False
Answers
Answer:
true
Explanation:
Answer:
Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I. By meiosis II, only sister chromatids remain and homologous chromosomes have been moved to separate cells. Recall that the point of crossing over is to increase genetic diversity.
Explanation:
Use the drop-down menus to label the parts of a nucleotide.
Label A
Label B
Label C
Label D
Label E
Label F
Answers
Answer:
A and F are phosphate groups.
B and E are sugars.
C and D are nitrogenous bases.
Explanation:
Nucleotides are the molecules responsible for composing DNA and RNA. They are formed by three units: a phosphate group, a sugar molecule and a nitrogenous base.
The sugar molecule is a pentose, which means that it is a molecule formed by 5 carbons. These collections are represented by geometrical figures such as the letters "B" and "E" shown in the figure above, where each tip represents a carbon.
The nitrogenous bases are molecules that are named adenine (A) and guanine (G) and the pyrimidine bases cytosine (C), uracil (U) and thymine (T).
The phosphate group, in turn, is a molecule derived from phosphoric acid and is the only one that does not vary in each nucleotide.
if it helped uh please mark me a brainliest :)Musk oxen are large animals that roam the Arctic in groups called herds. When approached by a predator, adult musk oxen form a ring with
calves (baby musk oxen) in the middle of the circle. The adult musk oxen face the outside of the circle with their horns facing the predator.
Which three true statements provide evidence that this group behavior of musk oxen increases the survival success of individual calves in the
herd? Move the statements into the box.
Evidence Statements
Musk oxen calves are born without horns.
Musk oxen have sharp horns and will use them while charging at enemies.
Musk oxen have a double coat of long, shaggy hair that protects them from the cold.
Musk oxen calves are most likely to be eaten by wolves when they are separated from the herd.
Answers
Musk oxen have sharp horns and will use them while charging at enemies.
What are musk oxen?
The muskox belongs to the subtribe Ovibovina (also known as the tribe Ovibovini), tribe Caprini (also known as the subfamily Caprinae), subfamily Antilopinae, family Bovidae. It belongs to its own genus, Ovibos, and is more closely related to sheep and goats than oxen.Along with the smaller takin, it is one of the two largest extant members of the caprine family.While the takin and muskox were originally thought to be perhaps related, genetic investigation reveals that their lineages actually split off early in caprine development since the takin lacks common ovibovine traits like the muskox's unique horn morphology.Instead, the gorals of the genus Naemorhedus, which are now widespread in several nations in central and east Asia, appear to be the muskox's closest surviving cousins.To know more about musk oxen, click the link given below:
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What is the name of the tiny blood vessels that surround the alveoli? O A. Capillaries O B. Pharynx O C. Bronchioles O D. Trachea
Answers
Answer:
At the very end of the air passages, are clusters of tiny air filled sacs called alveoli . These air sacs are surrounded by small blood vessels called capillaries
Explanation:
The name of the tiny blood vessels that surround the alveoli is Capillaries.
What are capillaries?Capillaries are the places where the exchange of substances between the blood and adjacent tissues takes place. Substance exchange can occur both between the cells that form the vessel wall and across it. Pores present in some types of blood capillaries also act as transfer sites.
Blood capillaries or capillaries as the lining of these little balls are called, are blood vessels of the circulatory system in the form of small tubes. In them, there is a large amount of carbon dioxide that diffuses into the alveolar air.
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In 3–5 sentences, explain how increases in the human population impacts water resources. Provide specific examples in your answer.
Answers
The increase in human population impacts water resources as follows:
increase in water pollutionscarcity of clean potable wateroverfishing and hunting of water organismsWhat are the effects of an increase in the human population?The human population refers to the number of individual humans that can be found in a given area at a particular time.
All over the world, there has been an increase seen in the human population, especially in developing countries.
The effects of an increase in the human population include:
The need for food, water, housing, energy, healthcare, transportation, and other resources will rise as the population grows.And all that consumption raises the probability of major catastrophes like pandemics, ecological destruction, and greater violence.Learn more about the increase in human population at: https://brainly.com/question/24067944
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What warning symptoms are most common prior to a myocardial infarction? Select all that apply.
increased appetite
sensation of indigestion
increased muscle strength
fatigue
angina
Answers
The warning symptoms that are most common prior to a myocardial infarction are sensation of indigestion and angina. Option B and E is correct.
A myocardial infarction, commonly known as a heart attack, occurs when blood flow to the heart is blocked, leading to damage or death of heart muscle. Prior to a heart attack, some people may experience warning symptoms that can signal an impending event.
The most common warning symptoms prior to a heart attack are sensation of indigestion and angina. Sensation of indigestion can include discomfort or burning in the chest, stomach, or throat, and may be accompanied by nausea or vomiting. Angina is chest pain or discomfort that occurs when the heart muscle is not receiving enough oxygen-rich blood, and can be a warning sign of a heart attack.
Other warning symptoms that may occur prior to a heart attack include fatigue, shortness of breath, and lightheadedness. However, increased appetite and increased muscle strength are not typically associated with warning symptoms of a heart attack. Option B and E is correct.
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Imagine an object launched from Earth as shown in the image. Identify where the object has overcome the gravitational pull of Earth.
Answers
Answer:
the object defeats the force of gravity on the arrows on the left where they do not follow the circumference of the earth.
since the force of gravity makes the objects keep rotating near or even on the Earth's surface.
If any object overcomes this force, it will not rotate on the surface of the earth and will not be attracted to the center
Explanation:
this is because the center of the earth works as if it were a magnetic pole that attracts everything close to the earth to its center, if something deviates as in the arrows on the left, it means that the force of attraction towards the center or force of gravity does not act on the objective as it must have a force applied or of its own greater than that written
Answer:
the 2 top left
Explanation:
the 2 top left
5. Which component of the nucleotide is the red arrowpointing at?
(This component makes up the genetic code! Ex.ATTGCA)
Answers
Answer:
organic nitrogen (or nitrogenous) base
Which statement best compares the amount of fossil fuels formed each year to the amount used each year? The amount of fossil fuels formed is exactly the same as the amount used. The amount of fossil fuels formed is approximately the same as the amount used. The amount of fossil fuels formed is much less than the amount used. The amount of fossil fuels formed is greater than the amount used.
Answers
Answer:
The amount of fossil fuels formed is much less than the amount used.
Explanation:
Fossil fuels, which include petroleum, coal, natural gas etc are an example of non-renewable sources of energy. They are termed non-renewable because they are sources that gets exhausted quickly without replenishment.
One of the characteristics of non-renewable sources of energy is that they get exhausted faster than they can be produced. Hence, regarding fossil fuels as an example of non-renewable source of energy, this means that the amount of fossil fuels formed is much less than the amount used.
Answer:
it tis C
Explanation:
select all that apply select all the methods used by microbiologists to identify and classify prokaryotes. multiple select question. characteristics of metabolism cell structures observed using microscopes characteristics of the cilia molecular studies
Answers
The methods used by microbiologists to identify and classify prokaryotes are characteristics of metabolism, cell structures, and molecular studies.
The short explanation of each methods is as follows:
Characteristics of metabolism: Prokaryotes have different metabolic pathways, which can be used to identify and classify them.Cell structures observed using microscopes: Prokaryotes have different cell structures, such as cell walls and flagella, which can be observed using microscopes and used to classify them.Molecular studies: The DNA and RNA of prokaryotes can be studied and compared to identify and classify them.The characteristics of the cilia are not used to identify and classify prokaryotes, as cilia are not found in prokaryotes.
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Science is an ongoing process. What question do you think should be investigated? what future data should be collected to answer you question?
Answers
Data are the information gained from observing and testing an experiment. Scientists use data to gain understanding and make conclusions. Science often uses graphs or tables to show their data and research findings.
Science may be as old as the human species, with some of the earliest archaeological evidence for scientific reasoning dating back tens of thousands of years. The earliest written records in the history of science were created between 3000 and 1200 BCE in Mesopotamia and Ancient Egypt.
Create a study hypothesis. Science conduct their research while collecting data and making observations. Identify forecasts. A scientist typically bases their hypothesis on their research and observations.
1) mass knowledge.
2) Consider the Data
3) Draw conclusions
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