What part of central america divides north and south america?

Uranium is a mineral which is used to generate electricity. predict and explain the long term effect on the environment of obtaining and using uranium as a source of energy.

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

According ti the following map, what are the most common mineral resources found in the united states?