Iwill give brainliest if you answer

D. the warm air rises and moves back to the poles where it is cooled again.

Explanation:

One way to know that D is your answer is that hot air always rises.

That means 1 and 3 are not it.

It is not 2 because it will not just go back up into the atmosphere but go back towards the pole.

When it goes back towards the pole, that means D is your answer.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.