In nature how is most carbon dioxide replaced a plant photos

In nature, how is most carbon dioxide replaced?

a. plant photosynthesis

b. production of plant biomass

c. oxidative use of biomass for energy (respiration and combustion)

Solution

A. Plant photosynthesis.

By photosynthesis most of the Carbon Dioxide is replaced by Oxygen which goes into atmosphere where from it is used by libing organisms for cellulat respiration.