What happens when a river floods?

Geography

The continuous recycling of water on Earth.

When a river’s water spills over its banks (sides) and spreads out over the surrounding area.

Floods are only caused due to physical causes,  such as heavy rainfall. True or false?

Which of these are examples of human factors which can increase the risk of flooding?

because steep slopes slow up how quickly the water can get to the river

because steep slopes tend to reduce the amount of infiltration of water into the ground (water entering the ground)

towns and cities have impermeable surfaces that don't allow the water to go through it

towns and cities have permeable surfaces that do allow the water to go through it

Why does urbanisation (the building and extension of towns and cities) increase the risk of flooding?

deforestation, steep slopes, heavy or prolonged rainfall

snowmelt, steep slopes, heavy or prolonged rainfall

Which of these are examples of physical factors which can cause flooding?

A dam is a barrier that stops or restricts the flow of water.

What has built up behind the Aswan High Dam?

Why does a lot of agriculture (farming) take place along the Volga River?

Over ____ of Russia’s agriculture takes place along the Volga River.

it is important because it looks beautiful

it is important for producing wheat and barley

Apart from farming, why else is the Volga River important to people?

goods such as produce, large goods such as logs, tourists visiting the river

What is transported along the Amazon River?