factors effecting

Question 1

2 factors of drought

Answer 1

famine and limited water supply

Question 2

2 factors effecting mass movements

Answer 2

Vegetation binds together soil limiting mass movement

Weather because the rainfall lubricates and speeds up mass movement

Question 3

two factors of ecosystems

Answer 3

Sea temperature > coral reefs grow best between 23 and 25 degrees
develop in sheltered locations (1) > bayheads and estuaries (1)

Question 4

two factors of river flooding

Answer 4

High rainfall so higher discharge

Snow melting because there is increased run off in spring raising river levels

Question 5

Explain two factors that have led to the growth of megacities.

Answer 5

Natural increase is high (1) as birth rates are higher than death rates (1).
Rural to urban migration (1), with extension through details of a push or pull factor (1).

Question 6

Two impacts of a fall in sea level:

Answer 6

River erosion -
Impacts on costal ecosystems
Destructive waves
Destructive waves have lots of energy (1) which mean that there is more abrasion (1).