Question

What do you mean by the term hydrosphere​

Answer 1

Hydrosphere means the layer of water under or on the surface of a planet.

According ro Wikipedia,

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet.

Hope It Helps :)

Answer 2

Answer:

All the water on the earth such as lakes, seas, ponds, oceans and sometimes including water over there earth's surface such as clouds included in the hydrosphere.