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Besides carbon dioxide, which gases are greenhouse gases?

AOxygen and pure nitrogen
BArgon and helium gases
CHydrogen and neon gases
DMethane and nitrous oxide
Answer & Solution
Correct answer: D. Methane and nitrous oxide
1. Water vapour also contributes. 2. Methane and nitrous oxide trap heat. 3. All are called greenhouse gases. _Source: syllabus Science, Chapter 18, Pollution of Air and Water._
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