Question

Identify the greenhouse gases that make the greenhouse effect possible. Check all that apply.

water vapor

nitrogen

carbon dioxide

methane

nitrous oxide

Answer 1

The greenhouse gases from your list are:

- Water vapor — Yes
- Carbon dioxide — Yes
- Methane — Yes
- Nitrous oxide — Yes

Nitrogen is not a greenhouse gas (it is largely transparent to infrared radiation and does not contribute significantly to the greenhouse effect).