The rivers of North America flow eastward or westward at the Continental Divide because O it is situated along the highest points of the Rocky Mountains.
the Rocky Mountains have not yet experienced significant erosion.
O the rivers mark areas of mineral deposits.
the environment was artificially altered to improve water flow to agricultural areas.

The rivers of North America flow eastward or westward at the Continental Divide because  it is situated along the highest points of the Rocky Mountains.

So, the first option is correct.

Let me know if this helps!

a conclusion based on evidence is an example of a. inference

oral reading is important because then you may end up loving to read if you hate it now. i hope i .