Question

1. what are the products of cellular respiration are needed for photosynthesis?

sugar and oxygen
water and sugar
carbon dioxide and water
energy and oxygen

Explanation:

Cellular respiration produces carbon dioxide and water. Photosynthesis uses carbon dioxide and water as reactants. Sugar and oxygen are products of photosynthesis, not reactants. Energy (in the form of ATP) from cellular respiration is used by the cell for various processes but is not a reactant in photosynthesis.

Answer:

carbon dioxide and water