Question

What do you mean by the word hydrosphere? On the basis of this sphere, the earth is called the blue planet. Why?

Answer 1

Answer:

Water is a basic necessity of life. Since 2/3 of the Earth is covered by water, the Earth is also called the blue planet and the watery planet. The hydrosphere plays an important role in the existence of the atmosphere in its present form. Oceans are important in this regard.

Answer 2

What do you mean by the hydrosphere?
> Hydro means water and the word hydrosphere means the sphere made up of water. A hydrosphere is the total amount of water on a planet. It includes water that is on the surface of the planet, underground and in air.

On the basis of this sphere, the Earth is called the blue planet, why?
> 70% of the Earth is covered with water, thus, the Earth is named the ‘Blue Planet’.