Multiple choice

What are some of the main green house gases?

  1. nitrogen, methane, water vapor & helium

  2. carbon dioxide, oxygen, methane & hydrogen sulfide

  3. water vapor, methane, carbon dioxide & nitrous oxide

  4. methane, propane, water vapor & nitrogen
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The primary greenhouse gases include water vapor, carbon dioxide, methane, and nitrous oxide. Nitrogen and oxygen are not greenhouse gases.

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