Environmental Science

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Across
  1. 2. a farmer who grows enough food for himself
  2. 5. people moving out of a country
  3. 6. people moving into a country
  4. 8. the max amount of population an area can support
  5. 10. land on which crops can be grown
  6. 11. the most important inorganic molecule we need
Down
  1. 1. the process of energy that powers the sun
  2. 3. wearing away of soil by wind or water
  3. 4. a species maximum growth rate
  4. 7. a source of energy that will not run out
  5. 9. food shortage that causes starvation