How is the starting energy source in photosynthesis and cellular respiration different?
A. Photosynthesis uses sunlight & cellular respiration makes ATP
B. Photosynthesis uses glucose & cellular respiration uses oxygen
C. Photosynthesis uses CO2 & cellular respiration uses glucose
D. Photosynthesis uses ATP & cellular respiration uses sunlight
C. Plants photosynthesize and basically "breathe" in CO2 like we do with oxygen, and besides oxygen, cellular respiration uses glucose from food to make energy.
