mushroom rocks
A sudden descent of water made by a river is a waterfall.
It is a waterfall.
It's a waterfall
It's a waterfall
rapids
Gravity.
it is called the hellow river
The Amazon River is called the "Ocean River" because we get about 20% of fresh water from there in the world!
the area from which water drains into a river is called the river's catchment. A river's watershed is the connecting ridges surrounding the watershed, and separating it from adjacent ones.
Where a river drops down into a valley is called a "waterfall." This occurs when the river flows over a steep drop or cliff, creating a dramatic descent. Waterfalls can vary in height and volume, and they are often characterized by the stunning visual and auditory experience of cascading water. Additionally, the area around waterfalls can be rich in biodiversity and serve as important ecological zones.
A river must have enough width and a flowing water to be called a river no matter how long it is.
water shed