Multiple choice

Which of the following greenhouse gases is/are produced by agricultural activities?

  1. CO2, NO2 and CH4

  2. NO2 and CH4

  3. CO2 and CH4

  4. CH4

  5. CHCl2 and CO2
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Paddy fields release a large amount of methane gas. CO2 is exhaled during photosynthesis. NO2 is released during nitrogen fixation.

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