During photosynthesis phytoplankton (tiny plants in water) use the sun's energy to convert _____ and water into glucose (food) and oxygen and gas.

A. hydrochloric acid
B. nitrogen gas
C. carbon dioxide gas
D. octane

1 answer

During photosynthesis, phytoplankton use the sun's energy to convert C. carbon dioxide gas and water into glucose (food) and oxygen gas.