The continental united states is divided into two very large watersheds, one which drains into the and the other into the mississippi river; gulf of mexico pacific ocean; gulf of mexico atlantic ocean: gulf of mexico atlantic ocean; pacific ocean

The answer is Atlantic Ocean ; Pacific Ocean.

A continental divide is a divide that separates continent’s watersheds. A continent may have more than two watersheds. For example North America has five continental divides. But United States is divided into two very large watersheds, one which drains into the Atlantic Ocean and the other into the Pacific Ocean.  

this is math not biology xd