Question

multiple choice 1 point which of the following is not a greenhouse gas? water vapor carbon dioxide methane nitrogen

Explanation:

Greenhouse gases trap heat in the atmosphere. Water vapor, carbon dioxide, and methane are known greenhouse gases. Nitrogen ($N_2$) is a major component of the atmosphere but does not trap heat like greenhouse gases; it is not a greenhouse gas.

Answer:

Nitrogen (the option corresponding to "Nitrogen")