Question

Which is a greenhouse gas *

o methane
o carbon dioxide
o chloroflourocarbons
o all of the above

Answer 1

Carbon Dioxide, And Methane

Step-by-step explanation:

Carbon Dioxide is one of the correct answers because Carbon Dioxide is kinda essential to live. Carbon Dioxide helps Trees and stuff of that nature. Methane is a GreenHouse Gas because if Methane gets leaked into the atmosphere, it absorbs the Sun's heat, which warms the atmosphere. If you see any fault with my answer please let me know. Thanks. Have a good day.

Answer 2

All of the above.
The main greenhouse gases are: methane, carbon dioxide, chlorofluorocarbons, ozone, nitrous oxides and water vapor.