What factor is NOT directly involved in soil formation?
Climate
Wind
Vegetation
How long does it take, on average, for one centimetre of soil to form?
1000 years
100 years
10 years
Which of the statements below is FALSE regarding the way people can affect soil formation?
When people change the angle of a slope through construction the soil will also change
When people change the the vegetation cover in an area the soil will also change
People have no effect on soil formation
Which of the following statements is FALSE?
Podzols have a thin layer of iron oxide
Podzols are found where there is poor drainage
Podzols have distinct layers (horizons)
For a brown earth soil, which of the following statements is FALSE?
Horizons are clearly defined
The original vegetation was deciduous forest
This soil has good drainage
For a gley soil, which of the following statements is FALSE?
The soil is a greyish blue due to a lack of oxygen
These soils are found on steep slopes, with good drainage
The soil is frequently waterlogged
What will be the most common type of soil in a coniferous forest?
Gley
Brown earth
Podzol