Why is arid soil more easily eroded than moist soil?

In 1915 the german geologist and meteorologist alfred wegener first proposed the theory of continental drift, which states that parts of the earth's crust slowly drift atop a liquid core. the fossil record supports and gives credibility to the theories of continental drift and plate tectonics.

Explain how earths tilt and revolution around the sun affects weather and climate

How can you use a maps legend to plan your travel