There's the Allegheny, the Monongahela, and the two rivers meet to form the Ohio River.
Answer:
A warm front forms when a warm air mass pushes into a cooler air mass, shown in the image to the right (A). Warm fronts often bring stormy weather as the warm air mass at the surface rises above the cool air mass, making clouds and storms.
Explanation:
Things like pollution (car fumes , littering , oil spills) , the sea can affect the weather , the temperate of the earth
Senate and House of Representatives. I am assuming since they are the two houses of Congress.