You pick up a newspaper and are disappointed to find that part of the headline is missing. It reads, " appoints new Cabinet members; confirms them." Complete the headline by filling in the blanks.

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