Most of Earth's mass is composed of which two layers? A. Crust
B. Outer Core
C. Mantle
D. Inner Core

What does a movement along the demand curve show

Plz answer ! find the alps. what countries and country borders intersect this major mountain range? which borders seem to be defined by the edges of the mountains? which borders seem to be defined by the edges of the mountains? which borders cut across the mountains?

Write a 150word essay describing the effect of people's activities on the environment in the region.