How could pulling a continental crust apart create mountains and basins? What are the mountains and basins called?

It could do so...

Explanation:

by when continental crust breaks apart (continental, not oceanic), the crust comes apart and breaks apart, causing a bunch of rocks to crumble onto the opening, it also can allow lava and magma from the mantle to come up and form volcanoes, etc.

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.