Solution

Find out more about river transportation.

Deposition occurs whenever a river loses energy and velocity falls.

Find out more about river deposition.

Attrition is when sediment particles knock against the bed or each other and break, becoming more rounded and smaller as you move down the river.

Find out more about river erosion.

Soft engineering involves working with nature and adapting to a river and learning to live with it.

Find out more about soft engineering.

Waterfalls and gorges are typically found in the upper course of the river.

Find out more about the landforms of erosion in the upper course of a river.