I think its true but im not 100 percent sure
Photosynthesis. Because the plants give off oxygen as a waste product. Carbon dioxide then moves from the air into the leaves of plants through tiny openings in the plants leaves.
I think the answer is A or C sorry for not having that good of an answer
After it passes an area there will be colder<span>, drier </span>air<span> and clear skies. This </span>occurs when a fast-moving warm air mass overtakes a slowly moving cold air mass<span>.</span>