THE ANSWER WOULD BE A because homeostasis is about maintaining something so something doesnt shut down example maintaining body temperature.
Answer:
<u><em>Ozone.</em></u>
Ozone occurs both in the Earth's upper atmosphere and at ground level. Ozone can be good or bad, depending on where it is found. Called stratospheric ozone, good ozone occurs naturally in the upper atmosphere, where it forms a protective layer that shields us from the sun's harmful ultraviolet rays.
Explanation:
I searched and found my answer on Go ogle.
ATP or adenosine tri phosphate is the cell's main source of energy. It is hydrolyzed by the cell and the energy released is used in cellular activities like muscle movement