What did most of the powerful african kingdoms have in common? coastal location salt deposits natural resources mountainous terrain

What happens when heat from inside earth is transferred to its surface? warmer material is pushed to the crust more dense material is pushed to the crust warmer material is pushed to the outer core less dense material is pushed to the outer core

1. most of russia lies in a environment. a) alpine b) subarctic c) humid continental d) humid subtropical 2. the highest population density is found in the part of russia a) eastern b) northern c) southern d) western

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