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Question

The recent increase in atmospheric CO2​ concentration is mainly a result of an increase in


A

Primary productivity

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B

The biosphere's biomass

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C

The absorption of IR rays escaping the earth

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D

Burning of fossil fuels and wood

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Solution

The correct option is C

The absorption of IR rays escaping the earth


The correct option is C

The explanation for the correct option:

  1. Because of the absorption of infrared light escaping from the planet, the atmospheric concentration of carbon dioxide (CO2) is growing.
  2. Increase in amount of carbon dioxide in air results in global warming and greenhouse effect

Final answer: The recent increase in atmospheric CO2​ concentration is mainly a result of an increase in absorption of IR rays escaping the earth.


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