Question

How does the quantity of CO2 in the atmosphere rise and become excessive?​

Answer 1

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The percentage of CO2 in the atmosphere rises and becomes excessive due to the followinghuman activities:

• Burning of fuels like coal, petrol or diesel etc.
• Deforestation which leads to an increase in the amount of CO2 in the air because the number of tress which consume CO2 is reduced.

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Answer 2

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➢ Carbon dioxide content rises in the air through various sources like automobiles, burning fuels, deforestation, industries, forest fires, etc.

➢ As the population is increasing the use of fuels and vehicles is increasing, this results in the increase in the amount of carbon dioxide in atmosphere.

❖ Amount of CO₂ arises in atmosphere and become excessive due to following human activities,

• Burning of fuels like coal, petrol and diesel etc.

• Deforestation which leads to an increase in amount of CO₂ in the air because the number of trees which consume CO₂ is reduced.