Question

Write a note on the hydrosphere and water cycle.

Answer 1

Hydrosphere:

1. It is a combined mass of water on planet earth.
2. The amount of water on the planet is estimated to be 1386 million cubic kilometers.
3. A planet's hydrosphere can be liquid, vapor or ice.
4. Provide good means of transport of water.
5. Helps in balancing the water cycle.

Water cycle:

1. Also known as the hydrological cycle which describes the movement of water above and below the earth's surface.
2. Leads to temperature changes during the exchange of energy.
3. Involve in reshaping the geological processes including erosion and sedimentation.
4. Water moves from one reservoir to another by evaporation, condensation, and precipitation.
5. Essential for the maintenance of life on the planet.