Earth Day puzzle

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Across
  1. 2. Go away forever.
  2. 3. Plant you walk on.
  3. 5. To use again.
  4. 8. Poisonous water.
  5. 10. Filled with trees.
Down
  1. 1. Can throw out.
  2. 4. Made to make boxes.
  3. 6. A planet.
  4. 7. Filled with garbage.
  5. 9. Carry stuff.