Answer:
Plants use carbon dioxide in a process known as photosynthesis. In this process Plans give off oxygen as a waste product carbon dioxide moves from the air into the leaves of plants through tiny openings in the plants leaves
Animals and plants are connected to each other by the oxygen Carbon dioxide cycle
I think its A i hope that helps
<span>peristalsis is the involuntary, progressive, rhythmic contraction of the muscle in the wall if the esophagus propelling a ball of food down toward the stomach</span>
