- Infer The Mississippi River watershed is bor-
dered by the Appalachian Mountains to the
east and the Rocky Mountains to the west. Why
does it make sense that mountain ranges form
natural watershed boundaries?

How much of the united states’ electric generation comes from coal? a. about 25% b. about 50% c. about 75% d. about 90%

In wegener’s evidence for continental drift, continents were proposed to fit together, such as the east coast of south america with the west coast of europe. east coast of africa. west coast of greenland. lower west coast of africa.

Which of the following is an example of relocation diffusion