Most Irish rivers do not have deltas because the load that they deposit is too small.

Niagara Falls is the highest waterfall in the world.

Weathering assists erosion in the shaping of a steep-sided V-shaped valley.

A river transports the heaviest part of its load by rolling it along the river bed.

Meanders and oxbow lakes are formed by a combination of both erosion and deposition.

Most erosion by a river takes place on its old stage.

The gradient of a river is steepest in its youthful stage.

The area of land that is drained by a river and its tributaries is called a watershed.

Development (housing, etc) on floodplains helps to prevent flooding.