General Concept

Question 1

What is soil erosion and when is it a problem?

Answer 1

Soil erosion is the removal of soil by natural processes. It becomes a problem when more soil is lost than can be replaced naturally.

Question 2

How long did it take for fertile soils in South Africa to form?

Answer 2

About 10,000 years.

Question 3

How can human activities increase soil erosion?

Answer 3

Activities like farming, construction, and mining disturb soil, making it easier for wind and water to remove it.