In the carbon cycle,________ from the atmosphere is used in photosynthesis to synthesize carbon-containing organic molecules in a process called ________.
A)carbon dioxide; combustion
B)carbon dioxide; carbon fixation
C)hydrocarbons; oxidation
D)hydrocarbons; cellular respiration

Question

Quizplus · Accepted Answer

In the carbon cycle, carbon dioxide from the atmosphere is used in photosynthesis to synthesize carbon-containing organic molecules in a process called carbon fixation.

In the Carbon Cycle,________ from the Atmosphere Is Used in Photosynthesis