Across
- 2. harmful substances in the air, water, or soil
- 4. supplies of something valuable or very useful
- 5. the collecting of certain types of waste to be used over again
- 8. able to be replaced and not permanently used up
- 10. a public event for trade, entertainment, or education
- 11. the sharing and development of ideas as a group
- 12. able to be used more than one time
Down
- 1. wild animals that live in their natural habitats
- 3. brief, printed pieces of advertising, either folded or stapled, with messages that promote a product or service
- 6. the natural world
- 7. change long-term, lasting changes in Earth's weather patterns or the weather patterns of a region
- 9. of or relating to the sea