Since the sun heats up more air at the equator than it does at the poles choose 1
1.it sets in motion massive circulations of air
2.warm, moist air at the equator rises and flows towards the poles
3.cool, polar air sinks and flows back towards the equator
4.all of the above
please help will mark brainliest if right

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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