1. What does it mean to say that the Soil Taxonomy is a generic system of classification?

2. Describe and explain the soil horizon development of Entisols.

3. In which kind of climate are Gelisols typically found?

4. In what kind of environment are Aridisols typically found?

5. What is the relative suitability for agriculture of Vertisols, Mollisols, and Alfisols? Explain.

6. What characteristic do Spodosols and Oxisols have in common, and how does it affect their fertility?