Moderate
Which of the following gases contributes to global warming?
Correct answer: A. Carbon di-oxide
- A. Carbon di-oxide
- B. Nitrogen di-oxide
- C. Carbon monoxide
- D. Sulphur dioxide
Explanation
Carbon dioxide is a major greenhouse gas released by fossil-fuel burning, deforestation, and other human activities. Nitrogen dioxide and sulphur dioxide are mainly associated with air pollution and acid rain, while carbon monoxide is not a major greenhouse gas.
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Practise Forest Ecology
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