Question

in addition to carbon dioxide which of the following is a greenhouse gas? select one: a. methane b. carbon monoxide c. nitrogen d. oxygen

Explanation:

Greenhouse gases trap heat in the Earth's atmosphere. Methane is a well - known greenhouse gas. Carbon monoxide is a pollutant but not a major greenhouse gas. Nitrogen and oxygen are major components of the atmosphere but are not greenhouse gases.

Answer:

A. methane