Unit Review

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Across
  1. 2. dig in the earth for coal or other minerals.
  2. 4. the preparation of land for growing crops.
  3. 8. the resources a country has natively
  4. 10. able to be maintained
Down
  1. 1. Variety of life
  2. 3. the action of clearing an area of trees.
  3. 5. the science or practice of farming
  4. 6. Level of learning you can obtain
  5. 7. surface processes that removes soil,or rock
  6. 9. Where plants and grass grow