1.

State the uses of hydrosphere.

Answer»

The liquid component of Earth is called ‘Hydrosphere*. It includes oceans, seas, bays, straits, lakes, ponds, rivers, etc. The hydrosphere covers about 71 % of the Earth’s surface.

Uses of hydrosphere :

1. Hydrosphere provides us with fresh water.

2. Most of the rainwater comes from hydrosphere.

3. Valuable chemicals and minerals are obtained from seas and oceans.

4. A variety of aquatic life is sustained by oceans and seas.

5. Salt is produced from sea water.

6. The tremendous force of waves, tides and ocean currents is a potential source for generating electricity.

7. Oceans are also useful as waterways.



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