Is college hard to maintain grades

From this passage, it is clear that president jackson believes the second bank of the united states

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

Classify the most significant contributions of the two major indian empires to world culture