What might conservationists do to ensure reindeer will thrive in an area ?

Air inside the guard hairs traps heat close to the body, keeping the reindeer warm even in the frigid, windy temperatures of the tundra. The guard hairs also prevent body heat from escaping and melting the snow if the reindeer lies down, keeping it from getting wet and cold.

a. to encourage apoptosis

c is the answer to this question. altitude affects the weather because air molecules evaporate.