Question

Name two important sinks of $CO_{2}$.

Answer 1

Although much less abundant than nitrogen and oxygen in Earth's atmosphere, carbon dioxide is animportant constituent of our planet's air. A molecule of carbon dioxide (CO2) is made up of one carbon atom and two oxygen atoms. Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere.

Answer 2

Two important sinks of CO2 are oceans and plants