Answer:
Explanation:
The physical evidence that suggest an increase in both respiratory and circulatory rate of a runner is that his/her heart beat ( pulse) iinreases significantly and the runner breathes heavily in other to let in more air into his/her body.
Decomposers, such as microbes and fungi, play an important role in the carbon cycle. They break down the remains of dead plants and animals and, in doing so, release carbon dioxide through respiration.
solar it takes up the least amount of space and causes no pollution also it is unlimted
Ectotherms have to be heated or cooled by the environment
I believe the answer is C.
