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SELF QUIZ: SOIL AND FOOD RESOURCES
Questions | Answers
 
  1. What does soil consist of?
  2. Where does the stuff that makes up your body come from?
  3. What are the major components of the soil profile?
  4. What are the five factors important in soil formation?
  5. How long does it take an inch of topsoil to naturally form?
  6. Why are tropical soils not productive for growing crops/cattle in the long run?
  7. What are two soil characteristics unique to deserts that reduce erosion?
  8. Define soil erosion.
  9. How is soil moved?
  10. What is the major factor that makes soil more prone to erosion? Why?
  11. What are the major human activities that promote soil erosion?
  12. What are the major effects of soil erosion?
  13. What are some soil conservation practices?
  14. What has been the global trend in per capita food production?
  15. What are the 4 main sources of food for people of the world?
  16. What are problems associated with reliance on these 4 main sources of food?
  17. What two major "revolutions" have allowed food production to keep up with the human population explosion?
  18. What is the likelihood of food production keeping up with population increase?
  19. What are the three major ways to make more food available to world markets?
  20. What is the future potential for each?