Across
- 2. waste that comes from animal and plants is called waste
- 7. what is the name of the group of individual of the same spesies
- 8. what do you call place with many tree an animal
- 9. what causes soil to be infertile
- 10. the place where organisme live is called
Down
- 1. what cause the decline in air quality
- 3. the following are environment conservation effort
- 4. the impact of air pollution on human health can cause disease
- 5. what makes water polluted
- 6. so the leaves can be made into fertilizer
