What are the three ways by which $CO_{2}$ is returned back into the atmosphere?
(N/A) The three ways by which $CO_{2}$ is returned back into the atmosphere are:
$(i)$ By the decomposition of dead organic matter by microorganisms.
$(ii)$ As a byproduct of cellular respiration by both plants and animals.
$(iii)$ As a gaseous waste product formed by the combustion of fossil fuels like coal,wood,petrol,and natural gas.
$(i)$ By the decomposition of dead organic matter by microorganisms.
$(ii)$ As a byproduct of cellular respiration by both plants and animals.
$(iii)$ As a gaseous waste product formed by the combustion of fossil fuels like coal,wood,petrol,and natural gas.
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