Across
- 2. The rate or frequency at which something happens.
- 4. To process used materials so they can be used again.
- 6. To have trouble breathing because the throat is blocked.
- 8. Easy to use or useful for a particular purpose.
- 10. A very large marine mammal.
- 15. To use something too much.
- 16. Extremely sad event causing suffering or grief.
- 17. To throw away or get rid of.
- 18. Packed or enclosed in a box.
- 19. Another choice or option; taking turns.
- 20. To make practical use of something.
Down
- 1. Related to a town or city's local government.
- 3. An intelligent sea mammal known for being friendly and athletic.
- 5. A small body of still water.
- 7. Filled tightly with something; very full.
- 9. In a way that relates to living things and their environment.
- 11. Harmful, unfavorable, or bad.
- 12. Able to be used more than once.
- 13. Causing death.
- 14. Able to decay naturally without harming the environment.