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Carbon iv oxide is added to the atmosphere when - JAMB Biology 2017 Question

Carbon (iv) oxide is added to the atmosphere when ________?
A
plants build-up organic compounds
B
plants absorb mineral salts
C
sugars are completely broken down in animals
D
there is thunderstorm
correct option: a
Plant build of of organic compounds such as oil, coal and gas is a great source of emission of carbon dioxide into the atmosphere
Human activities such as the burning of oil, coal and gas, as well as deforestation are the primary cause of the increased carbon dioxide concentrations in the atmosphere.
Other source such has respiration by animals, thunderstorm release carbon dioxide in smaller quantities compare to 87% of carbon dioxide emission from plants build-up organic compounds through human activities
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