I believe some central Asians are mostly whites
The thing that makes coastal plains unique is that they are flat, low-lying pieces of land next to the ocean.
Answer:
the tigris and Euphrates river flow through Syria and Iraq into the Persian Gulf.
It doesn't sound important
We would be looking for a rather small country with a relatively population. It would also probably not include land that is relatively uninhabitable: mountains or jungle or deserts.
The correct answer is: Ecuador. Its population is 16 million and the population density is 55 people per square kilometer.
