Respuesta :

Answer:

Waterfalls are created when the riverbed changes suddenly from hard rock to soft rock.

Explanation:

Because the rock is soft, the water can cut into it and start to wear it down. As this happens, waterfalls can form.

Answer:

A third way in which waterfalls can form is by the movement of glaciers. Glaciers move down valleys eroding them and making them much bigger. As a result, smaller valleys flowing into the glacier valley are left behind emptying the water that they were flowing into the air creating a waterfall.

Explanation: