Answer:
internal migration: moving within a state, country, or continent.
external migration: moving to a different state, country, or continent.
Explanation:
Answer:
D. Meteorite
Explanation:
A meteorite is a piece of meteor that survived being burnt up.
Your answer would be B. The most dangerous job in the United States. Because the cave can come down, if you don't have the right equipment you can damage your lungs, and you may get stuck down there, or really hurt.
It can be one of two things.
First, it can be due to global warming.
Second, it can be due to the rotation of the sun. When the sun rotates, it can change it latitude causing it to hit at different points onto different areas of the world.
