Answer: they help the enviroment
Explanation:
they help the enviroment
In 1787, George Washington was persuaded to attend the Constitutional Convention and subsequently was unanimously elected its president.
Answer:
As the slab gets to a certain depth, it gets hot enough that it start to melt again. As it melts, it undergoes differentiation and also gets less dense. Low density means that it will start to rise back up again, usually, as granitic magma.
Explanation:
HOPE IT HELPS
Answer:
the action of keeping something harmful under control or within limits.
Explanation: