Question

How can the atmosphere be considered part of the hydrosphere?


it is a source of water
it blocks Ultraviolet rays from the sun
it contains oxygen necessary for life on earth *******
it traps pollutants that would otherwise harm the earth

Answer 1

the hydrosphere is all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.

Answer 2

the answer was A, it is a source of water