The environment

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Across
  1. 1. To do something less
  2. 4. What bottles are made of
  3. 6. Use something multiple times
  4. 7. Sort things so we can use them later on
Down
  1. 2. Name of the planet were we live
  2. 3. Something to drink
  3. 5. Word for when we put bad things in nature
  4. 8. What makes things happen