Which substance do cells need to get energy from food? A. Vitamin C
B. Ammonia
C. Carbon dioxide
D. Oxygen

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.