Thermal because you have to melt rocks for rocks to become other types of rocks.
Answer:
Mongolia
Explanation:
Mongolia has very little arable land, which means historically they have not been able to grow enough crops to support a large population. Until the 20th century Mongolians were largely a herding people, and that just doesn't support dense populations.
There is a multitude of ways in which our leaders reach us personally.
For example,
Teachers are leaders that are more specialized in helping students, and there are some, such as counselors that are even more personally.
A more general way that we are reached is through laws. We choose our laws, and they in return enforce it. Such as building roads, or helping develop towns.
So far there have only been two us presidents who were impeached and removed from office,Bill Clinton and Andrew Johnson, but later on the senate acquitted them.