Question

List four greenhouse gases in the atmosphere. For each gas, describe its prevalence in the atmosphere, its natural sources, its human-induced sources, and how its concentration in the atmosphere might be changing.

Answer 1

Hey there!

The answer/answers: The four main greenhouse gases that support the natural greenhouse effect are: 

H2O (water vapor)
CO2 (carbon dioxide)
CH4 (methane)
 and
 NO (nitrous oxide)

These greenhouse gas traps heat from the sun

Hopes this Helps u :D