Some people think that rivers form canyons, but in fact, the canyons form the rivers
because they form a natural barrier
The four major rivers are an important factor in the lives of the people of Africa. The rivers are a source of food in the form of fish. The rivers are also used in agriculture or farming as the water can be used for irrigation or quenching the thirst of domestic animals.
Zambezi River
Tiete , e Pinheiros
Sedimentary rocks are made up of materials that were once part of another rock. Most sediments are deposited on ocean floors or at the bottom of rivers and lakes.Clastic sedimentary rocks form from layers of sediments. Pressure causes the water around the sediments to be squeezed out and the sediments are cemented together.
by under ground
The submarne canyon is very steep-sidded.
Canyons are found in many deserts around the world.
Where powerful rivers once flowed, and carved the landscape. takes a LONG time
Canyons are formed by erosion. Rivers that were previously located there slowly wear down rock and form large canyons in the rock.
canyons
steep canyons can form when down cutting is slow or fast
Canyons are formed by stream down-cutting, usually in arid areas, where the rate of down-cutting is greater than the rate of weathering, and where the stream or river receives water from outside the area. Rivers and streams
the grannd canyons
Water
small stuff
the grannd canyons