Question

how is a waterfall formed???​

Answer 1

when there is high elevation water trends to flow downward,forming waterfall

Answer 2

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WATERFALL FORMATION PROCESS

Answering this question is really a lesson

in geology (the study of rocks or the earth) and the water cycle. But before we get into those topics, let's first walk you through

the waterfall formation process.Waterfall

formation is based around the basic principle

that there is a watercourse (realize that water

is an erosive agent) traversing over different

layers of rock each with different rates of

erosion. In other words, you have a river

or stream flowing over hard rock (where

erosion is slow and also flowing over soft

rock (where erosion is more rapid).

Over time, the soft rock is further cut into by

the water ultimately making the watercourse

steeper beyond the hard rock layer

This steepening effect also accelerates

erosion as the influence of gravity on the

water increases the water's speed (thankks

to the increasing slope as a result of the

accelerated erosion).

Typically, cascades and rapids, like the

Waitavala Water Slide in the Fijian Island

of Taveuni, are at this stage of waterfall

development.

Eventually, the watercourse steepens until

it's either nearly vertical or completely

vertical. At this point, you have a bon-a-fide

waterfall!