Answers
Answer:
D. Rutherford
Explanation:
Related Questions
What do we call the principal SI units that are used to derive all other SI units? derived units derived units base units base units lowest units lowest units fundamental units
Answers
Answer:
the answer is derived physical measurements
Four pepper plants are being tested to see if they respond to different variables. To make it more interesting we test several factors (different amounts of fertilizers, insecticides, water, and sunlight). In order to obtain the most reliable results, what should be done here?
Answers
Answer:
One of the four pepper plants should be a control group that way you can compare and contrast the results from the other three pepper plants.
Which best describes the reactants and products of photosynthesis?
1. Reactants are formed inside the plant, and products are taken in from the environment by the plant.
2. Reactants are taken in from the environment by the plant, and products are formed inside the plant.
3. Reactants and products are formed inside the plant.
4. Reactants and products are taken in from the environment by the plant.
Answers
Answer: Reactants are taken in from the environment by the plant, and products and products are formed inside the plant.
Explanation:
Hope that helps! Wish you best of luck with studies!!
Compare a heterogeneous mixture and a homogeneous mixture.
Answers
Answer:
A homogeneous mixture has the same uniform appearance and composition throughout. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
Explanation:
Hope you will like it
What is the atmospheric pressure?
4.7 pounds per square inch
14.7 pounds per square inch
1.7 pounds per square inch
13.2 pounds per square inch
Answers
Answer:
The air pressure at sea level is about 14.7 pounds per square inch (psi). For every foot above sea level, the air pressure drops about 0.0005263 psi. According to this information, at about what height above sea level is the air pressure 13.2 psi?
Which element has the same number of energy levels as oxygen?
Answers
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
All on energy level 2
Answer:
Elements have the same number of energy levels as oxygen.
Elements and definitions
Lithium - Lithium compounds, also known as lithium salts, are primarily used as a psychiatric medication. It is primarily used to treat bipolar disorder and treat a major depressive disorder that does not improve following the use of antidepressants.
Beryllium - Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays. Within the cores of stars, beryllium is depleted as it is fused into heavier elements.
Boron - Boron is a chemical element with the symbol B and atomic number 5. Produced entirely by cosmic ray spallation and supernovae and not by stellar nucleosynthesis, it is a low-abundance element in the Solar System and in the Earth's crust. It constitutes about 0.001 percent by weight of Earth's crust.
Carbon - Carbon is a chemical element with symbol C and atomic number 6. It is nonmetallic and tetravalent-making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon makes up only about 0.025 percent of Earth's crust.
Nitrogen - Nitrogen (N), nonmetallic element of Group 15 [Va] of the periodic table. It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter.
Fluorine - Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. As the most electronegative element, it is extremely reactive, as it reacts with all other elements, except for argon, neon, and helium.
Neon - Neon is a chemical element with the symbol Ne and atomic number 10. It is a noble gas. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.
Oil is a powerful source of energy used for cars, machines, and many other purposes. While studying sources of energy that could replace the use of oil, a student thinks about solar power, wind power, nuclear power, and electric batteries. The students asks,"Which type of source will waste the least energy and provide the most energy in all situations?"
Which best describes why a scientist would ask a different question than this one?
O The question asks about subjective personal preferences regarding energy.
O The question focuses on the objective measurements of amounts of energy.
O The question has too wide of a focus, as though all situations can be studied at once.
O The question is focused on the future and finding new answers about changing needs.
Answers
Answer:
C
Explanation:
scientists usually focus on one specific problem, rather than a whole range. so the answer would be that it's too wide a focus.
btw this is where the crown is on the bottom of the question
Answer:
c
Explanation:
A patient comes to the doctors office complaining of gas. Which active ingredients is the physician most likely to recommend for the patient complaints?
Answers
piece of roasted salted fish is put in a mouse trap. explainwhy the mouse comes to the trap
Answers
Answer: Food
Explanation:
The rat smells the food or sees the food it goes towards the food to eat it.
the questions in bold are questions you shouldnt answer, answer the rest.
Answers
I can answer one of those...
In solids, the particles are just barely vibrating, and have their own shape. In liquids, the particles are moving more, and they are sliding around and moving places. Their shape can change based on the container they’re in, but the volume stays the same. The particles in a gas are moving very fast, and are far away from each other. A gas can change its volume and shape. If you want to do plasma, that’s when the particles are moving so fast that they can create light. I was going to do the variable thing but it would sound weird and very wordy if I tried to explain it.
Written by a 6th grader who is currently learning about states of matter :P
pls help
Ionic and covalent bonds help arrange atoms into unique structures for proteins like hemoglobin. Why is this necessary?(1 point)
Answers
Answer:
Ionic bonds can be important to protein structure because they are potent electrostatic attractions. In the hydrophobic interior of proteins, ionic bonds can even approach the strength of covalent bonds
Covalent bonds in amino acids are useful to stabilize the structure of the proteins and their interactions. The ionic bond formed as the atoms in amino acids with opposite charges accompanied strong electrostatic attractions.
What types of bonds are involved in protein structure?Proteins are 3D structures of amino acids that are further made of an amine and a carboxyl group, and are arranged in specific structures in four levels to give rise to the complete protein molecule.
Proteins can be described as the polymers of polypeptides which are structured by arrangements of these chains in a three-dimensional structure. They are folded and are driven by special non-covalent interactions such as peptide bonds, ionic bonds, hydrogen bonds, Van der Waals interaction, and disulfide bridges.
The primary structure is the sequence of amino acids through peptide bonds to form a polypeptide chain. The secondary structure is a sub-structures made by hydrogen bonding between the main chain peptide groups on the polypeptide backbone chain.
Tertiary structure is the 3D arrangement of protein in which α and β helices are folded into a globular structure with the interactions such as hydrogen bonds, salt bridges, disulfide bonds, and tight packing of side chains.
Learn more about protein structure, here:
https://brainly.com/question/14703077
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Is Salt Water, Beach Sand, Air, Bronze, and Vinegar A
A.Compound
B.Mixtures
C.Solutions
D.Elements
Answers
Answer:
B mixtures
Explanation:
Write a lab report on the lab ¨How do the process of conduction, convection, and radiation help distribute energy on earth.¨ for edge 1. Purpose- state the purpose of the lab.
2. Hypothesis- (Use if, then, because in your statement)
3. Materials- list all materials used in the lab
4. Procedures- state step by step what is being done in the lab
5. Observation/data- state what is being measured
6. Analysis/conclusion-state by summing up what was done in the lab and evaluate your
hypothesis with what actually happened
Answers
Answer: The sections of a lab report can vary between scientific fields and course requirements, but they usually contain the purpose, methods, and findings of a lab experiment. Each section of a lab report has its own purpose. 1. Title: expresses the topic of your study 2. Abstract: summarizes your research aims, methods, results, and conclusions
Explanation:
A small gap is left between the rails in the railway track. Analyze the reason.
Answers
Answer:
There could be several possible reasons for a small gap between rails on a railway track, such as:
1. Expansion joints: Railways are designed to allow the tracks to expand and contract with changes in temperature. To accommodate this expansion, small gaps are left between the rail ends and filled with expansion joints or plates.
2. Wear and tear: Over time, the rails may experience wear and tear due to heavy loads, weather conditions, and other factors. As a result, small gaps can appear between the rails.
3. Maintenance: During maintenance activities, rail tracks may be adjusted or replaced, which could lead to small gaps between the rails.
4. Environmental factors: Environmental factors such as soil shifts, earthquakes or other natural disasters can also affect the alignment of the rails, leading to small gaps.
These are some of the possible reasons for a small gap between the rails on a railway track.
Answer:
The small gap left between the rails in a railway track is intentional and serves a specific purpose. This gap is known as the rail joint, and it allows for the expansion and contraction of the rails due to changes in temperature. When the temperature changes, the metal rails will expand or contract, and if they were joined together tightly, they could buckle or become deformed, which could be dangerous for trains passing over them. The rail joint allows the rails to move slightly and prevent damage to the track.
Additionally, the rail joint also allows for maintenance and repairs of the track. If there were no gap between the rails, it would be challenging to replace a damaged rail or perform routine maintenance, such as tightening bolts or lubricating joints. With the rail joint, maintenance personnel can easily access and work on the track.
Overall, the small gap left between the rails in a railway track is intentional and serves a crucial function in ensuring the safety and reliability of the track.
how can I put a picture or a photo in my questions?
Answers
Answer:
click the lil button that looks like a paperclip
Explanation:
Answer:
There is a paperclip-looking symbol when you are typing. Just download it to your computer or phone and attach it
Explanation:
Calculate the volume (in cm3
) of 54 g
of water at 1 ∘C
.
Express the volume in cubic centimeters to two significant figures.
Answers
How do you make an atom model? PLEASE HELP ANY IDEAS GUYS?
Answers
Answer:
If you are looking for like a drawing say less.
(1.) If at 100.0 mL solution contains 0.850 moles of a solute, what is the molarity ?
(2.) If the molarity of a solution is 12 M and the volume of the solution is 1.0 L, how many moles of solute does the solution contain ?
Answers
Answer:
See below
Explanation:
1) Moles / volume
.85 mole / .1 liter = 8.5 M
2) 12 moles are contained in one liter
.85 mole / .1 liter = 8.5 M
2) 12 moles are contained in one liter
Choose the five physical tests for identifying rocks:
metamorphic
sedimentary
color
streak
hardness
luster
igneous
cleavage
Answers
1. Hardness
2. Luster
3. Color
4. Color
5. Streak
Is light energy organic or inorganic?
If ATP is in the middle which word goes first? organic or inorganic
Answers
It is organic my friend, have a good day
Explanation:
.
Answer:
1. light energy is organic
2. If ATP is in the middle, the word that goes first is organic
A student’s experiment showed that her egg gained mass overnight with the vinegar and distilled water. She had about a +1% change for distilled water. She had hypothesized that the egg’s mass would not change significantly with vinegar. She concluded that her hypothesis about vinegar was not supported because it did change in mass. Her teacher told her that the data indicated that her hypothesis was supported, especially with the 10% change for the distilled water. What did the teacher mean?
Answers
Answer:
the teacher means that if she had done more research she wouldve had a better result
Explanation:
What is the main way viruses cause disease in the body
A. By feeding directly on your body parts
B. By using your body's cells to make new viruses
C. By absorbing nutrients from your bloodstream
D. By breaking down your body's cells for nutrients
Answers
Answer:
the answer is B
Explanation:
this is because viruses need to enter a host cell to start reproduce. they usually use your cell to create "virus making factories".
hope it helps
no problems
Fish are invertebrates, and all animals are equal so does this mean that each individual animal is equivalent?
A. no
B.yes
C.kinda.
D.none of the above
Answers
Answer:no
Explanation:
because there are different bone structures to different animals
ex.mammals aren't invertabres
Answer:
A. no
Explanation:
The other person is right.
3. A recent flood in the area has caused many short-term changes to
the ecosystem. Which is a long-term change?
A. Standing water in the streets and sewers
B. Temporary displacement of organisms
C. Permanent change in the landscape
D. Poor water quality in rivers and streams
Answers
Answer:
c
Explanation:
While standing water in the streets and sewers (option A) and poor water quality in rivers and streams (option D) may persist for some time after the flood, they are generally considered short-term changes as they can eventually be remedied through clean-up efforts and restoration programs.
Temporary displacement of organisms (option B) can also be considered a short-term change, as organisms will eventually return to their original habitats once conditions improve.
However, a permanent change in the landscape (option C) such as altered river channels, new water bodies, or changes in topography, can have lasting effects on the ecosystem and its inhabitants. These changes may alter habitat suitability, nutrient cycling, and water availability, which can impact the ecosystem for years or even decades to come.
Answer: C
Explanation:
The landscape could be flooded. Houses and buildings may be restricted.
If a substance has a density of 19 g/cm3, then what is the mass of 8 cm3 of this substance?
Answers
An autopipette was used to place 5.00 mL of commercial bleach, weighing 5.560 g, into a volumetric flask. It
was then diluted to a total volume of 50.00 mL. A 10.00-mL sample of the diluted solution was placed in an
Erlenmeyer flask. What is the mass, in grams, of commercial bleach in the 10.00-ml sample of the diluted
solution in the Erlenmeyer flask?
Answers
Answer:
1.112 grams
Explanation:
The mass of commercial bleach in the 10.00 mL sample of the diluted solution in the Erlenmeyer flask would be 1.112 grams.
5.00 mL containing 5.560 g of bleach was diluted to a total volume of 50.00 mL. This means that there is 5.560 g of bleach in the 50.00 mL of the diluted sample. 10.00 mL was taken out of the 50.00 mL dilution:
50.00 mL contains 5.560 g of bleach
10.00 mL of the sample will, therefore, contain:
5.560 x 10.00/50.00 = 1.112 g
10.00 mL of the sample will contain 1.112 g of bleach.
PLS HELP ME
ALSO THE LAST ONE IS STATE THE TREND IN DESNITY SHOWN IN TABLE
Answers
Which of the following statements describes all the variables in an experiment?
A.
All variables are measured to provide data for the experimental results.
.
B.
All variables are kept the same from one part of the experiment to another.
OC.
All variables affect the results of the experiment.
O
D.
All variables are changed from one part of the experiment to another.
Answers
Answer:
Answer is C
Explanation:
All the variables can affect the results in an experiment
When an object is moving on a surface with a lot of texture, how does this affect the amount of friction created?
The friction is stopped.
Less friction is created.
More friction is created.
The amount of friction is the same.
Answers
You eat a sandwich. What molecule does your cells need from this sandwich, and how does that molecule get from the sandwich to your cells?
Don't look anything up
Answers
Answer:
in a sandwich ELISA, the goal is to use antibodies to precisely quantify specific antigen present in a solution, such as antigen from a pathogen, a serum protein, or a hormone from the blood or urine to list just a few examples. The first step of a sandwich ELISA is to add the primary antibody to all the wells of a microtiter plate
Explanation:
Brainliest please