The important role of the atmosphere is to supply oxygen, water, carbon dioxide and nutrients. It also protects all living things from extreme temperatures and radiation (protects us from harmful solar rays).
The first step the biologist needs to make an observation in which to create a hypothesis.
Hope this was helpful!
Read more on Brainly -
brainly.com/sf/question/1687984
Exothermic because it’s going away
A. presence increases potassium concentration in the blood
Answer:
I think it is c
Explanation:
Look at the key words I and think