The 3Rs

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Across
  1. 4. We have to be like this about the environment.
  2. 6. Bottles are typically made of glass and this material.
  3. 7. It means using less.
Down
  1. 1. The 3 Rs help the ______.
  2. 2. It means making new things from old materials.
  3. 3. It means using something again.
  4. 5. Books,newspapers and magazines are made of this material.