Climate Change · Botany

What is the primary greenhouse gas emitted through agricultural activities like rice cultivation and cattle ranching?

  1. Chlorofluorocarbons
  2. Ozone
  3. Sulfur dioxide
  4. Methane
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Correct answer: Methane

Methane ($CH_4$) is produced by enteric fermentation in livestock and by anaerobic bacteria in flooded rice paddies. Methane is a potent greenhouse gas with much higher heat-trapping ability than $CO_2$.

Difficulty: Medium Question 13 of 20

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