Which part of earth contains frozen water?
atmosphere
biosphere
cryosphere
geosphere

Cryosphere is the part of Earth contains frozen water

Explanation:

Cryosphere is a word for all the combined portions on the surface of planet Earth which consists of water but which is in frozen form. This includes all the surfaces like sea ice, lake ice river, snow cover, glaciers or the ice sheets and all other regions which consist of water in frozen form.

One of most famous cryosphere part on Earth is the northern part of Alaska, the Beaufort sea or the water that is surrounding the regions of arctic and the Antarctica.

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.

the answer is c i just put d and i got it wrong so yeah its d