Life in the southwestern U.S. as we know it exists thanks to the water of the Colorado River, which flows for approximately 1,450 miles from the Rockies to the Gulf of California. The river gets its ...

The water cycle close water cycleThe system where water is constantly moving above, on or below the earth’s surface and is changing state. is also known as the hydrological cycle. Seas and oceans ...

Largest drainage basin: The world’s largest drainage basin is the Amazon Basin, located in South America. This immense basin covers an area of nearly 7 million square kilometers (2.7 million square ...

A basin is a depression in Earth or a dip that is lower than the rest of the surrounding land. Basins are shaped like bowls with sides higher than the bottom. Know how they are formed, where they are ...