Across
- 3. the process through which paper, glass, plastic can be used again
- 6. when all the trees in a large area are cut down
- 10. the process of polluting water, air, or land, especially with poisonous chemicals
- 11. the relationship between living things and the environment
Down
- 1. an area of land where animals and plants are protected
- 2. the animals or plants which are very few now, they may not exist soon
- 4. someone who helps to save our planet without being paid
- 5. animals, birds and plants living in their natural environment
- 7. the surroundings in which a person, animal, or plant lives
- 8. if someone illegally catches fish, animals, or birds
- 9. things that we throw away