The blanket of air that surrounds the earth is called “Atmosphere”.
It is composed of mixture of gases. Water vapour, dust particles, pollen grains, impurities such as smoke, salts and other chemicals.
The constituent gases are:
1.Nitrogen (78%)
2.Oxygen (21%)
3.Carbon-di-oxide, argon, hydrogen, helium, ozone etc. make up the
It is composed of mixture of gases. Water vapour, dust particles, pollen grains, impurities such as smoke, salts and other chemicals.
The constituent gases are:
1.Nitrogen (78%)
2.Oxygen (21%)
3.Carbon-di-oxide, argon, hydrogen, helium, ozone etc. make up the