Topics of this game:
- The factor that has the greatest effect on soil formation is ____.
- A soil’s texture is determined by ____.
- The main source of organic matter in soil is ____.
- In which of the following areas will soil formation be greatest?
- In a well-developed soil profile, which horizon is the uppermost layer?
- The B horizon is also called the ____.
- Laterite soils contain high amounts of ____.
- Which of the following human activities has caused an increase in soil erosion?
- The rate of soil erosion depends on ____.
- Which of the following is NOT a major component of soil?
