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They are, all the time. Every waterfall moves upstream constantly (but slowly).
it is called a waterfall
they are more softer than metamorphic rocks
they are more softer than metamorphic rocks
What is it called when softer rock weathers away and leaves harder rocks behind
it is a waterfall
yes because it is sedimentry isnt it ]
Sometimes, a waterfall when a river flows from hard rock to softer rock. The softer rock, such as limestone, is easily eroded, or worn away, by the flow of the river.
As the water cascades over the top edge it erodes the rocks and they fall to the base of the cliff below. The top edge slowly moves upstream and the rate is dependent on the hardness of rocks in the river bed.
The type of rock found at the top of a waterfall is called "Hard Rock"
It divides Britain into hard and softer rock types. The softer rocks in the south-east erode faster. In the north west are older harder rocks such as granite and basalt.
u jump the rocks