Human and physical features are things that you can see all around you. Physical features like seas, mountains ... are on the map. Ben thinks this is a road, but I think it’s a river.

The Mississippi River is impressive on its own, but when you consider all the other rivers that feed it on its way to the Gulf of Mexico, it seems all the mightier. The Mississippi’s massive ...

Rivers contribute substantially to global emissions of carbon dioxide (CO 2) and methane (CH 4). The Amazon River, the ... of mountain ranges, it is called a 'piedmont river'. From a physical ...