Question

list any three human activities which lead to an increase in the co2 content of air

Answer 1

List any three human activities which would lead to an increase in the carbon dioxide content on air.Human activities which are responsible for adding carbon dioxide to the atmosphere are 1. Respiration Both plants and animals release carbon dioxide to the atmosphere as a product of respiration.2. Decomposition Decomposition of organic wastes and dead bodies by decomposer releases carbon dioxide to the atmosphere.3. Combustion Burning of fossil fuels, like wood, coal, petrol, gas and kerosene also releases carbon to the atmosphere.

Answer 2

Heya ☺

• Indiscriminate cutting down of trees i.e. deforestation.

• Using of chlorofluorocarbons.

• Using of fossil fuels like coal , petroleum , wood , etc.

• Incomplete combustion of carbon fuels.



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