how does a waterfall develop? explain it using an appropriate diagram
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Waterfalls often form in the upper stages of a river where it flows over different bands of rock. It erodes soft rock more quickly than hard rock and this may lead to the creation of a waterfall
Explanation:
Formation of a waterfall:
- The soft rock erodes more quickly, undercutting the hard rock.
- The hard rock is left overhanging and because it isn’t supported, it eventually collapses.
- The fallen rocks crash into the plunge pool. They swirl around, causing more erosion.
- Over time, this process is repeated and the waterfall moves upstream.
A steep-sided gorge is formed as the waterfall retreats.
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Answer:
Waterfalls often form in the upper stages of a river where it flows over different bands of rock. It erodes soft rock more quickly than hard rock and this may lead to the creation of a waterfall. Formation of a waterfall: The soft rock erodes more quickly, undercutting the hard rock.
Explanation:
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