Which adaptation would be most beneficial to mammals of both the taiga and marine aquatic biomes? a. a layer of fur that reflects sunlight b. the ability to store food and water for hibernation c. a thick layer of fat for insulation d. the ability to excrete excess salt through glands

I belive its A

Explanation:

Whales and animals in the ecosystems need blubber for instulation (or fat) this helps them keep warm.

the answer is A.  a layer of fur that reflects sunlight

Explanation:

The correct answer is C: a thick layer of fat for insulation

Explanation:

I made a 100 on this test

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

the answer is c. it will give up it's valence electron to the other atom.