Besides carbondioxide and nitrous oxide, the other greenhouse gas is:
Correct answer: C. Both a and b
- A. Methane
- B. Carbon monoxide
- C. Both a and b
- D. None of these
Explanation
Greenhouse gases such as carbon dioxide, nitrous oxide, methane, carbon monoxide, water vapors, and CFCs (chlorofluorocarbons) causes the greenhouse effect on plants.
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