Across
- 3. It is a very small part of something.
- 4. To use something again.
- 5. It is a person who is interested in or studies the environment and who tries to protect ii from being damaged by human activities.
- 8. To process something so it can be used again.
Down
- 1. It’s the air, water and land in or on which people, animals, and plants live.
- 2. It is a material that can turn back into elements found in nature.
- 6. It is a look or an examination or a report.
- 7. To use less of something.