What do you call a fracture or crack between two rocks A. stress
B. earthquake
C. fault
D. crust
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The earth's inner core reaches temperatures that are at times greater than 9000°f. what causes this layer to remain solid despite the high temperature?

Which continents lie only in the northern hemisphere

The next best alternative given up when making a choice is called the a. opportunity cost b. comparative advantage c. primary objective d. negative consequence select the best answer from the choices provided. a b c d