Answer:
There are 54 countries in Africa, today.
Explanation:
I know jobs for one, over population maybe, and because they are worried that dangerous people could be entering into the country with intention to harm. (unless this is a "only 3 right answer" kind of thing)
Answer:
The mantle lies just below the core. The mantle and core are made up of hard, solid rock.
Explanation:
hope this helps
Answer: plateaus.
Plateau is a large extension of high and quite flat land.
