Question

What are the three ways by which carbon dioxide is returned to the atmosphere? [3]?

Answer 1

HEY DEAR YOUR ANSWER IS HERE
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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. this is ur answer

Answer 2

Through respiration of most organisms.

From vehicles and factories.

By human activities.
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