Across
- 2. never done or known before
- 3. to make a problem worse
- 5. Variety of life in a habitat
- 7. Harmful
- 8. To make less severe
- 9. to support or speak for
- 10. to provide a reson for doing something
Down
- 1. Found everywhere
- 4. Having limits
- 6. Reduction in the number or quantity