Question

What is the major cause of the greenhouse effect? Gases in the atmosphere absorb and trap Earth's heat.Gases in the ozone layer absorb the Earth's heat.Gases in the atmosphere release the Sun's heat.Gases in the ozone layer release the Sun's heat.

Answer 1

The correct option is the first one, "Gases in the atmosphere absorb and trap Earth's heat." Some gases such as CO2 (carbon dioxide) and CH4 (methane) absorb a lot of heat that is reflected from the earth. Thus, they cause major changes in earth's climate as their concentration rises.