1. The controlling force of mass Wasting is gravity. ______
2. The thickness of the Crust is about the same as the thickness of the mantle _______
3. Volcanoes that form along mid-ocean ridge occur at a diverging plate boundary _____
4. Our solar system is believed to have formed from an enormous cloud that was rich in hydrogen and helium ________
5. Most of our knowledge about the earth comes from drill holes ________
6. The Pacific Ocean basin is rimmed by the most subduction zones _______
7. Alfred Wegner is the father of modern geology _______
8. The Moho is the boundary between the inner core and the outer core _______