Question

51 Explain what makes the carbon dioxide gas present in the air necessary for all in the atmosphere.

Answer 1

The presence of a small amount of carbon dioxide gas in the atmosphere is essential for the growth and existence of living beings. The desirable proportion of ${\mathrm{CO}}_2$ within the atmosphere is 0.03%.

1. It causes the greenhouse effect, leading to the heating of the earth and its atmosphere which is essential for our survival.
2. It takes part in the photosynthesis process carried out by green plants for the preparation of food for plants and animals.