Question

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Q3. List any three human activities which could lead to an increase in carbon dioxide content of air.
SECTION B​

Answer 1

Answer:

The following activities of human beings may increase carbon dioxide content of air: (i) Burning of fossil fuels such as petrol, diesel and coal in various activities like transportation and industrial processes. (ii) Burning of wood and charcoal for heating, cooking, etc.

Explanation:

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Answer 2

Answer:

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