Grade 11, Environmental Science

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Across
  1. 1. what type of tree-cutting is like checkerboards?
  2. 3. production of growing crops
  3. 4. what spilled in the water in Gulf?
  4. 6. acidic precipitation
  5. 7. different kinds of life
  6. 8. tiny organism that helps the quality of soil
Down
  1. 1. Harmful chemicals to the environment
  2. 2. removal of trees
  3. 5. what type of field grows rice?