Our Environment

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Across
  1. 2. Trash that people leave behind.
  2. 5. Cans You can put trash here.
  3. 6. Construction, big trucks, and motorcycles make lots____.
  4. 7. Dirty air
Down
  1. 1. The opposite of pollution
  2. 3. Not many kinds of animals
  3. 4. Forest, park, or garden is a _____.