What is in the crysphere

A. earth's crust

B. the sun's corona

C. mountains

D. earth's ice

I think you mean the Cryosphere?

But the answer is D - Earths Ice

This word Cryosphere comes from the greek word "kryos" which means cold

Many people think of the cryosphere as being the north and south poles but snow and ice can be found in a lot of places on the Earth