Based on where the appalachian mountains are located which is the only river that runs through the range?

The Hudson river. C I hope this helps

C b/c The colorado river is in the west, whereas the Appalachian Mts, are in the East so not a. Ohio River doesn't cut through any mountain ranges and is essentially the border of Ohio. 

And the Hudson cuts through the Poconos, Adirondacks, and Appalachians, so C.

You not be doing this in a quiz. if you actually studied your work you would know the answer. the answer though is that they would use gdp per capita because it measures a smaller portion (person). this could show individual growth per person in the country.

Increasing the release of greenhouse gases and pollution