Many indigenous people in guatemala live in the mountains because what?

There is only one climate type in motion across the world at a time

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

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.