<span>The correct answer is the astenosphere. It's part of the earth's crust that's just below the lithosphere and it's really susceptible to plastic flow because the resistance to it is very low. This is where scientists believe that convection occurs in the mantle. It's a very weak and easily deformed piece of the crust.</span>
Answer:
True
Explanation:
Wikipedia says it's true :)
Answer:
75%
Explanation:
By 1990, 75 percent of the US population lived in an urban location. In 1980 less than one percent of doctors made house calls
