Explain how the scientific method helps scientists.

Answers

Answer 1

Answer:

As scientists work hard for the results, they may get biased and may sometimes come up with an answer that is based on that. In order to avoid such circumstances, scientific method is put into practice.

Explanation:

Personal preferences can some times affect a scientific answer. That is not desirable as the experiments will be repeated by different individuals and the same results should be obtained.
That leads to the importance of documentation of systemic observation, formation of hypothesis and the experimentation to confirm the results, which is the scientific way of coming up with the answer to a scientific problem.
Scientific methods thus helps in bringing more credibility to findings of the scientists and can be repeated by others to obtain the same results.

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What is inetia and why is it importent

Answers

it's momentum and it's important to understand bc it explains why things do not stop moving after the energy that is being used to make that movement has stopped

Changing the number of protons in an atom makes

A. an ion
B. an isotope

Answers

A. an ion

The atom gains a net electrical charge if the number of protons and electrons are not equal which makes it an ion.

Are the following physical or chemical changes.1.Lighting a match
2.Cooking waffles
3.Baking a cake

Answers

They are all chemical changes. Think of a chemical change as you can never get something back to the way it was. (A lit match can't be turned back into a new one, waffles can't be turned back into waffle mix, and a cake can't be turned back into cake batter.)

Physical change would be something like slicing cheese or evaporating water. (The sliced cheese is still cheese, and the water turns into steam which can then be turned back into a liquid and it's still water - just in the air.)

chemical reactions because the chemical formula is changed in the reaction

Can someone explain #3

Answers

Answer:

Explanation:

Hey,

so here the student is saying that the given mass is of one atom. But when we usually talk about amu it is the unified atomic mass so mass of all the atoms present.

So that's why he is wrong.

Also the definitions states,

The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit (amu, also known as daltons, D). The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope.

Answer:

See below.

Explanation:

121.76 amu is the Relative Atomic Mass of Antimony (the average mass of the different isotopes). . The element exists as a mixture of isotopes , the main one being SB121 which has a mass of 121.

Which of the following is an example of anaerobic respiration? Plant roots respiring in soil
Respiring while swimming underwater
Oxygen diffusing into a plant cell through stomata
Breaking down of glucose with oxygen inside an animal cell

Answers

your answer is D have a good day

Answer:

Explanation:

think about it its d i did the test and the answer was right!

A sentence for physical weathering

Answers

Physical weathering can lead to the beginning of the erosion process.

physical weathering is a process of decay disintgration and decomposition brought about by environmental changes like running water moving ice wind etc

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