What did the Maya take to make the rain forests livable?

This chart shows american troop strength during what conflict? a) gulf war b) korean war c) vietnam war d) world war ii

Describe the first sit-in and its impact on the civil rights movement.

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth