Está compuesto por el relieve, las masas de agua, el clima, la vegetación, los suelos y la acción de los animales, y se caracteriza porque no ha sido modificado por el ser humano

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