Question

0. A gas X is colourless and odourless having a slightly sour taste which is a minor
component of air. It is moderately soluble in water. This gas neither burns nor supports
burning. It rather extinguishes a burning fire. If there were no gas X in air, there would be
no plants and animals on the earth.
a) Name the gas X
b) What is the percentage of gas X in air?
c) Why is the X very important for the existence of all life?​

Answer 1

the gas is carbon dioxide

Answer 2

Answer:

Carbon dioxide........................