Across
- 3. the surroundings or conditions in which a person, animal, or plant lives or operates.
- 5. Contaminating with harmful or poisonous substances
- 6. Caring for and protecting the materials you have
- 8. A system containing all living and non-living factors in an area
- 9. The natural home of an animal, person, or other organism
Down
- 1. Made when organic material decomposes
- 2. A layer of gases around the Earth
- 3. The production and discharge of something, especially gas or radiation.
- 4. Relating to or determined by the sun
- 7. A species that no longer is in existence