Answer:
A represents photosynthesis and B represents cellular respiration.
Explanation:
As in A there is utilization of carbon dioxide and water to make oxygen and glucose which is a key process of photosynthesis, and then this oxygen and glucose is used as energy source to produce carbon dioxide and water as by products of respiration.
Answer:
Hey ! The number of atoms in the reactants must be equal to the number of atoms in the products so
CCl4 ~> C + 2 Cl2