1) sand rock sample had the most porosity, gravel had the least porosity. 2) The porosity of the rock sample would need to be measured in order to calculate the amount of empty space, as porosity refers to the volume of empty space within a material.
3) 5 seconds take the water to flow through the gravel, The sand takes 60 seconds, dirt takes 30 seconds.
4) gravel sample is the most permeable.
It is possible that the sand rock sample had the most porosity, and the gravel sample had the least. This is because porosity refers to the amount of empty space within a rock, and sand generally has larger, more connected spaces between its grains than gravel does. Gravel, on the other hand, has larger individual grains that may have less space between them.
The time it takes for water to flow through a substance is related to its permeability. The gravel sample had the shortest time, which means it is the most permeable.
the gravel sample is the most permeable because it allowed water to flow through it the fastest (in 5 seconds), compared to the sand sample (60 seconds) and dirt sample (30 seconds). Permeability is the measure of how easily fluids (such as water) can flow through a porous material (such as rocks). The faster the fluid can flow through, the higher the permeability.
Therefore, above 4 point explain the porosity, empty space flow time & permeability of sample.
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Write the adaptations of animals living in aboreal habitet.
Answer:
Arboreal animals are very well adapted to staying or hanging on to trees. Many of them have little bodies and clawed or sticky feet. Some of them have prehensile tails that they use to grasp tree branches.
Claws, adhesive pads, flexible ankle joints (such as a squirrel's) that can turn forwards and backwards are all adaptions useful for staying in place. Arboreal primates have hairless fingertips that allow the animal's hand to squeeze the branch between the fingertips to generate friction.
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why does a fever become dangerous to body functions if it continues to rise? why does a fever become dangerous to body functions if it continues to rise? dehydration will occur. proteins become denatured and are unable to complete their jobs. osmosis may be affected due to lack of water. a fever breaking is more dangerous than the fever itself.
A fever can become dangerous to body functions if it continues to rise because: the proteins become denatured and are unable to complete their jobs.
Fever is the physiological condition of the body where the body temperature is higher than normal. The normal temperature of the body is around 98.6°F. If the temperature rises above 99°F, then the body can be said to be in a state of fever.
Proteins are the polymers of amino acids. These are the most important macromolecules that perform major of the functions and reactions in the body. Protein can only work in a specific form of structure and if that structure is ruptured the protein is said to be denatured.
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The energy stored in the bonds of glucose comes from what?
Drag each label to the correct location on the chart.
Sort the actions and terms based on the type of pollution they directly cause.
assume interference between regions (a-b and b-c) is 40%. when an f1 individual produces gametes, what proportion of its gametes would have abc genotype?
The proportion of gametes with the abc genotype in the F1 individual, considering a 40% interference, is 2.16 (or 2.1600 as a decimal fraction).
To determine the proportion of gametes with the abc genotype in the F1 individual, let's solve step by step:
Step 1: Determine the possible combinations of alleles for the F1 individual based on the parental genotypes AABBCC and aabcc. The F1 individual will have the genotype AaBbCc.
Step 2: Calculate the recombination frequencies between the gene regions:
The distance between genes A and B is 20 mu.
The distance between genes B and C is 30 mu.
Step 3: Apply the interference of 40% to the recombination frequencies. Interference refers to the reduction in the frequency of double crossovers compared to the expected frequency based on independent assortment. To account for this, we multiply the recombination frequencies by (1 - interference).
For the region between genes A and B, the adjusted recombination frequency is:
Recombination frequency (AB) = 20 mu × (1 - 0.40) = 12 mu
For the region between genes B and C, the adjusted recombination frequency is:
Recombination frequency (BC) = 30 mu × (1 - 0.40) = 18 mu
Step 4: To determine the proportion of gametes with the abc genotype, we multiply the adjusted recombination frequencies together, as the occurrence of recombination events between different regions is independent.
Proportion of gametes with abc genotype = Recombination frequency (AB) × Recombination frequency (BC)
= 12 mu × 18 mu = 216 mu²
Step 5: Convert the proportion of gametes to a decimal fraction by dividing by the total possible recombination units (mu²) for the entire chromosome.
Total recombination units for the chromosome = (20 mu + 30 mu) × 2 = 100 mu²
Proportion of gametes with abc genotype = 216 mu² / 100 mu² = 2.16
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The question is -
In fish, genes A, B, and C are on chromosome 5. The map of genes A, B, and C is:
A----------------------------B-----------------------------------------C
20mu 30mu
You cross an individual with genotype AABBCC to an individual with genotype aabcc, and F1 progeny are collected.
Assume interference between regions (a-b and b-c) is 40%. when an f1 individual produces gametes, what proportion of its gametes would have abc genotype?
Which factors would most likely affect the
weather on a small, flat island in the ocean?
Select all that apply.
A. The formation of dry air masses
B. Ocean surface currents
C. The formation of humid air masses
D. The rain-shadow effect
Answer:
B. or C.
Explanation:
im pretty sure! I'm in a class like this and I have been studying air masses and air pressure alot!
what is these answers to the questions
Answer:
I don't know it is hard and difficult to do
More than 200 different type of cels exist in the human body. Why do you think these cells are important for various body functions? Explain your response
Answer:Different cells have different jobs to do. Each cell has a size and shape that is suited to its job. Cells that do the same job combine together to form body tissue, such as muscle, skin, or bone tissue. Groups of different types of cells make up the organs in your body, such as your heart, liver, or lungs
Explanation:
Small living beings that live in the heart
Answer:
Small living beings that live in the heart are usually referred to as endocardial parasites or endocarditis-causing organisms. Endocarditis is the inflammation of the endocardium, which is the inner lining of the heart chambers and heart valves. It can be caused by various microorganisms, including bacteria, fungi, and in rare cases, parasites.
However, it's important to note that parasites living in the heart are relatively uncommon compared to other types of microorganisms. The majority of cases of endocarditis are caused by bacterial infections. Bacteria such as Streptococcus, Staphylococcus, and Enterococcus are commonly associated with endocarditis.
Parasitic infections that can affect the heart include certain species of worms, such as the dog heartworm (Dirofilarial imcites) and the human parasite called Echinococcal. These parasites typically do not directly inhabit the heart itself but can affect the heart and its surrounding structures.
It's essential to consult with a healthcare professional if you suspect any cardiac-related infections or diseases to receive an accurate diagnosis and appropriate treatment.
Explanation:
Which of the following is the best example of a mechanistic understanding of a function?
ANSWER:
Which of the following is the best example of a mechanistic understanding of a function?
We are self-aware so that we can recognize ourselves and distinguish ourselves from others.
The kidneys produce urine so that waste products, such as uric acid, do not build up in the blood.
Skeletal muscle cells contract when myosin heads attach to actin filaments and rotate, producing force.
Bones are strong so that they can support our body weight and protect delicate organs.
The best example of a mechanistic understanding of a function is skeletal muscle cells contracting when myosin heads attach to actin filaments and rotate, producing force. This is a clear cause-and-effect relationship that can be explained through the mechanical interactions of the muscle fibers. It demonstrates a deep understanding of the physiological processes involved in muscle movement. So, the correct answer is the fourth statement.
On the other hand, the other options provided involve broader and less specific explanations of the functions of certain organs or biological processes. While they do describe important functions in the body, they do not provide the same level of mechanistic understanding as the example of muscle contraction.
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first to answer easy question gets brainliest
Answer:
C Mitosis
Explanation:
At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells. Mitosis precedes cytokinesis
Answer:
C. MITOSIS
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Calculate the total number of alleles present in a population of 500 individual diploid plants at the gene locus that governs flower color
a. 2
b. 500
c. 2,000
d. 250
e. 1,000
The total number of alleles present in a population of 500 individual diploid plants the correct answer is e. 1,000.
In a population of 500 individual diploid plants, each plant will have two copies (or alleles) of the gene that governs flower color.
Therefore, the total number of alleles in the population can be calculated as:
Total alleles = number of individuals x number of alleles per individual
Total alleles present in a population = 500 x 2
Total alleles present in a population = 1,000
Therefore, the correct answer of The total number of alleles present in a population of 500 individual diploid plants is e. 1,000.
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Please help me with this it’s so hard
Answer:
1: Frond's
2:Pistil
3:Gametes and spore's
4: photosynthesis
5: Spore
6:Stigma or ovule
7:Ovary
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1 7 points
A tree's roots caused a small crack in a section of a sidewalk when it grew larger. Which of these caused the sidewalk to crack?
erosion
deposition
mechanical or physical weathering
chemical weathering
meaning of----> Central idea of biological evolution
Answer:
The central idea of biological evolution is that all life on Earth shares a common ancestor, just as you and your cousins share a common grandmother.
Are male butterflies and moths the same species?
Answer:
Explanation: No they are not.
Identity and describe two sources of energy that generally have limited environmental impacts
Answer:
The answer is B correctional explanation
Explanation:
Answer:
solar, wind and hydroelectric
hope it help
Hopefully you realize now that the microorganisms are in the air, dust, you, etc. What is one procedure that we follow at the beginning and end of each laboratory to cut down on the numbers of contaminating microbes?
One procedure that is followed at the beginning and end of each laboratory to cut down on the numbers of contaminating microbes is sterilization.
Sterilization refers to any process that eliminates, removes, kills, or deactivates all forms of microbial life and other biological agents such as fungi, viruses, and bacteria from surfaces, equipment, and laboratory materials. Sterilization is crucial to maintain a safe and sterile environment in laboratories.
It's important to note that the specific procedures and disinfectants used for surface decontamination may vary depending on the type of laboratory, the nature of the experiments being conducted, and any applicable regulations or guidelines. Always follow the recommended protocols and consult with the appropriate authorities or experts in your specific laboratory setting.
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help me fill this out for my sister thanks
b
Explanation:
Cause a process happens molecules and the membranes
Answer:
i hope this will help you
Explanation:
without osmosis the plants would die.Without osmosis, it would be impossible for plants to attain turgidity and thats why plants would die
osmosis is the movement of water to evenly distributed itself actually osmosis is the movement of water across semi-permeable membrane from a solution of higher solute concentration to a solution of lower solute concentration
Describe the carbon cycle
Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. ... Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.
Explanation:
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2. The results of an inspection of DNA samples taken over the past 10 days are given below. Sample size is 100. Day 1 2 3 4 5 6 7 8 9 10 Defectives 9 5 6 4 7 3 9 4 2 8 a) Determine the 3-sigma p-chart control limits using this information. b) Using the control chart in part (a), and finding that the number of defectives on days 11, 12, and 13 are 8, 10, 5, respectively, is the process in control and why?
Answer:
a) Upper Control Limit = 0.1265
Lower Control Limit = 0
b) All given processes are in control
Explanation:
Explanation is provided in the attached word file.
Evidence without ________ increases its reliability. (2 points) bias question repetition replication
Answer:
I would say bias.
Explanation:
bias: prejudice in favour of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
"there was evidence of bias against foreign applicants"
When you are being biased, you are putting your own opinion into what you are doing or you are trying to persuade the person hearing you, reading what you wrote.
Therefore, Evidence without bias increases its reliability.
which is an important factor about primary dentition? parents often do not understand the importance of primary teeth. primary teeth are important for chewing, appearance, speech, and maintaining eruption space for about 5 to 11 years. primary teeth can become decayed more quickly because the enamel and dentin are thinner than those in the permanent dentition. none of the options.
The important factor about primary dentition is that primary teeth are important for chewing, appearance, speech, and maintaining eruption space for about 5 to 11 years. Therefore the correct option is option B.
Primary teeth, sometimes referred to as baby teeth or deciduous teeth, are extremely important for a child's oral health and growth. They guide the location and alignment of permanent teeth by acting as their placeholders.
In addition to aiding in healthy chewing and speech development, primary teeth also have a role in a child's facial growth and attractiveness.
Primary teeth are susceptible to decay and destruction even when permanent teeth eventually replace them. The enamel and dentin of primary teeth are actually thinner than those of permanent teeth, making them more susceptible to decay. Therefore the correct option is option B.
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*WILL MARK BRAINIST*
Which body system is not directly connected to itself?
O respiratory
O circulatory
O endocrine
Answer:
0 endocrineExplanation:
This should be endocrine system since it is made up of ductless glands .which statements best compare the function of an ATP molecule to a DNA molecule
ATP helps in muscle contraction, active transport, formation of lysosomes, etc., while DNA carries all the genetic information related to an organism.
What do you mean by DNA molecule?The DNA molecule may be defined as the molecule that carries the genetic information for the development and functioning of an organism.
ATP delivers energy for chemical reactions in the cell. DNA maintains and communicates the genetic information of organisms.
Therefore, the above statement that best compares the function of an ATP molecule to a DNA molecule.
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Brian is attempting to determine whether it makes sense to think that the human need to belong and to establish relationships has an evolutionary basis. Based on the principles of natural selection, Brian knows he could support this idea if there was evidence that
Answer:
I DIDNT UNDER STAND
Explanation:
SORRY
in the united states, disinfection of drinking water with chlorine or other methods is done to remove: group of answer choices sand and gravel. pathogenic microorganisms. none of the choices bad smells. particles suspended in water.
In the United States, disinfection of drinking water is primarily done to remove pathogenic microorganisms. Correct option is B.
Chlorine and other disinfection methods are used to kill or inactivate harmful bacteria, viruses, and other pathogens present in the water to make it safe for consumption. Disinfection is a crucial step in water treatment to protect public health by reducing the risk of waterborne diseases caused by these microorganisms.
While water treatment processes may involve removing particles suspended in water, including sand and gravel through filtration, and can also help address bad smells, the primary purpose of disinfection is to ensure the water is free from harmful pathogens.
Water Disinfection:
Water disinfection is a crucial step in the process of treating drinking water to make it safe for consumption. The main objective of disinfection is to eliminate or inactivate harmful microorganisms, such as bacteria, viruses, and parasites, that may be present in the water. These microorganisms can cause waterborne diseases and pose serious health risks to the population if not properly removed.
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how does a cell get energy from an atp molecule
Answer:
Whenever a cell needs energy, it breaks the beta-gamma phosphate bond to create adenosine diphosphate (ADP) and a free phosphate molecule. Cells get energy in the form of ATP through a process called respiration, a series of chemical reactions oxidizing six-carbon glucose to form carbon dioxide.
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Most people: are exclusively right-brained. are exclusively left-brained. use both sides of the brain for all skills. have a relatively unmyelinated corpus callosum.
Answer:
Yes
Explanation:
I like that you pointed this out.
Cave-dwelling fish live in completely dark caves. Their eyes are not properly developed, and their skin lacks pigmentation. Fish of the same species that live in open water have darker pigmentation and well-developed eyes.
What explains this difference in pigmentation and eye development?
It is a mechanism that allows the fish to mutate into a new species.
It is a variation that allows the fish to adapt to different habitats.
It is an example of the fish interbreeding with other species in their environments.
It is a modification to avoid competition within the species.
Answer:
C
Explanation:
It is an example of the fish interbreeding with other species in their environments.