Khalil respects the freedom of speech. This is an example of a:

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

What is the mostly tropical region in asia

Which layer surrounds the center of the earth? a: crust b: core c: mantle