Properties and formation processes

1

What factor is NOT directly involved in soil formation?

2

How long does it take, on average, for one centimetre of soil to form?

3

Which of the statements below is FALSE regarding the way people can affect soil formation?

4

Which of the following statements is FALSE?

5

For a brown earth soil, which of the following statements is FALSE?

6

For a gley soil, which of the following statements is FALSE?

7

What will be the most common type of soil in a coniferous forest?