Across
- 5. family from the past
- 7. bright blue
- 9. protecting nature
- 11. sudden explosion
Down
- 1. living things and environment
- 2. having mixed feelings
- 3. becoming worse
- 4. old human made objects
- 6. substance carrying electricity in liquid
- 8. small waterfall
- 9. organizing items
- 10. group of customers