Self Study Point

Presence of undesirable materials in water which is harmful for the human beings and plants is known as water pollution. Normal properties of the...

Stratosphere: Above the troposphere, between 10 and 50 km above sea level lies stratosphere. Ozone layer is one of the important constituents of stratosphere. The...

Viable Particulates: They are minute living organisms that are dispersed in the atmosphere. (e.g., bacteria, fungi, moulds, algae, etc.) Non- Viable Particulates Smoke: It is the...

Global Warming and Greenhouse Effect About 75% of the solar energy reaching the earth is absorbed by the earth’s surface, which increases it’s temperature. The...