Earth as a Planet

During earlier times it was believed that the shape of the Earth is a flat disc.
The main believers of this idea were the Greeks, the Babylonians and, the ancient Indians.
Aryabhatta, the famous Indian astronomer believed that Earth was spherical in shape and rotated .... Read More

Life on the earth exists in a narrow zone called Biosphere. All the necessities for life are fond in this zone. It is the narrow realm of contact and interaction among Atmosphere, Lithosphere and Hydrosphere.
Energy that brings these three domains together is that of the sun. L .... Read More

To Access the full content, Please Purchase

Extramarks Smart Study Pack