Across
- 4. Prevention of wasteful use of a resource
- 7. Mackerel is a good _______ of fish oil
- 9. Toxic waste causes __________
- 11. the Great White Shark has an _________ sense of smell
- 12. the remains or impression of a prehistoric plant or animal
- 14. not easy to understand
- 15. Massive bodies of moving ice
- 16. Rapid development is a _________ to the environment
- 18. Investigation or study of materials or sources
- 19. Taylor Swift is a __________ artist
- 20. Solar power is a form of __________ energy
Down
- 1. Having doubts or uncertainties
- 2. very good at following order
- 3. tamed and kept as pet or on a farm
- 5. not feeling proud
- 6. Having advantage
- 8. feeling secured and safe from threats
- 10. Near extinction
- 13. feeling silly
- 17. We get ________ power from the sun