Which of the following activities leads to increase carbon dioxide con

1.	Which of the following activities leads to increase carbon dioxide content in air?
A.	Burning of fossil fuels.
B.	Burning of wood and charcoal
C.	Deforestation
D.	All the above
E.	None of these
Answer» E. None of these

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Which of the following activities leads to increase carbon dioxide content in air?

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