There's the Allegheny, the Monongahela, and the two rivers meet to form the Ohio River.
Answer:
Negative human impact of the environment is pollution we cause by waste and many other things. Positive human impact is the humans helping clean up the environment and help stop as much pollution as they can.
Hopefully this helps:)
If you travel from Tallahassee, the capital of Florida to Atlanta, the capital of Georgia, you will be moving to a north direction. On the maps you can easily see that they are positioned in an almost straight north-south line. Atlanta on the north, while Tallahassee on the south.