Underground water and the water on the earth’s surface is called ?

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Underground water and the water on the earth’s surface is called ?A. Mezosphere
B. Ionosphere
C. Hydrosphere
D. None of these

A hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet’s hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers.