If you walk out of your house and it's especially cloudy, what weather front are you likely experiencing? A. Stationary-pressure
B. Low-pressure
C. Occluded-pressure
D. High-pressure

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 are the answers for the following questions?

What is the thickest layer of earth called?