soil formation

Question 1

CLIMATE

Answer 1

rainfall and temperature can effect soil formation.
In cold areas freeze thaw action can form thin soil,
In hot areas chemical weathering breaks down soils to form deep soils.

Question 2

PARENT ROCK

Answer 2

rock type influences soil formation beacuse some rocks erode faster,
soil can take longer to form in areas of hard rock

Question 3

RELIEF

Answer 3

soils in upland areas are thinner due to mass movement,
they are poorly drained and receive heavy rainfall

Question 4

TIME

Answer 4

it can take around 400 years for 1cm of soil to form because the process is so slow

Question 5

HUMAN ACTIVITY

Answer 5

ploughing, irrigation and fertilisers can make soil more fertile