Question

Assertion (A): Although Earth has a huge amount of water, only a very small part of it is easily available for human use. Reason (R): Almost all water is salty ocean water, and most of the fresh water is locked up as ice in glaciers and ice caps.

Name the five spheres of the Earth system and give one example of what each contains.

Explain with an example how the cryosphere and the hydrosphere are linked.