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