What are the three ways by which CO2 is returned back into atmosphere ?
Q. What are the three ways by which CO2 is returned back into atmosphere ?
Ans. The three ways by which CO2 is returned back into atmosphere are :
(i) By the decomposition of dead organic matter.
(ii) As the product of respiration by both plants and animals.
(iii) As the gaseous waste formed by the combustion of fuels like coal, wood, petrol and gaseous fuels.
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