What is the importance of carbon dioxide and oxygen for living beings?
Carbon dioxide is an important gas in the atmosphere. It absorbs heat of the Sun and warms up the lower atmosphere of the earth’s surface. Human beings and animals release carbon dioxide during the process of respiration.
The green plants use this carbon dioxide to make their food and release oxygen. It is the oxygen that all the living beings on the earth inhale. In this way, carbon dioxide and oxygen are important for living beings.