Gradient decreases as rivers flow because the river flows into the land instead of eroding it and following a straight path as it does in a well.
Gradient of a river is a measure of how steeply it loses its height. A gradient is a measure of how steep or line a climb is.
The river flows into the land instead of eroding it and following a straight path as it does in a well.
This means that it includes a long-distance drop when you get to the bottom of the river.
Thus, Gradient decreases as rivers flow because the river flows into the land instead of eroding it and following a straight path as it does in a well.
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