Across
- 3. someone who doesn’t eat anything from an animal
- 5. Someone who doesn’t eat meat
- 6. Can be either a vertebrate or an invertebrate
- 9. A biological community of interacting organisms and their physical environment
- 10. The process of a substance going into the environment which had/has harmful effects
- 11. A thin layer in the earths atmosphere
Down
- 1. another word for reused
- 2. an object is capable of being decomposed by another living organism avoiding pollution
- 4. The colour of grass
- 7. a few examples are coal, crude oil, and natural gas.
- 8. an element on the periodic table beginning with C