How did the nacrimea case study prove that we are naturally ethnocentric

7. according to the theory of isostasy, which statement must be true? a. the asthenosphere is denser than the lithosphere. b. the asthenosphere has the same density as the lithosphere. c. the lithosphere has the same density as the core. d. the lithosphere is denser than the asthenosphere.

What is the reason for the “scramble for africa”?

How do convection currents form underwater mountains?