Answer:
the Polar and Tropical
Explanation:
These are also wind belts. There are three other types of wind belts, also. They are called Trade Winds, Doldrums, and Horse Latitudes.
The current era is called the Cenozoic era.
Cenozoic era refers to the geological time period that extends from 65 million years ago to present-day.
A rock on Earth's surface tends to be weathered more because it is exposed to wind, precipitation, and the effects of gravity. A rock buried underground does not experience weathering from wind, precipitation, or gravity.
Subtract 14n from 10n which is -4n. 12-4n=-12. subtract 12 from -12 and you get -24. divide -24 by -4 and you will get n=6.