Across
- 3. decaying plants and animals create
- 5. where do garbage go?
- 6. the surroundings of person, animal, place etc
- 9. living things are also called ___________ beings too
- 12. the gases around the Earth
- 14. the natural home or environment of an animal, plant, or other organism
- 16. the study of the Earth
- 17. the triple R's are reuse reduce and ____
- 19. to protect from harm or destruction
Down
- 1. conserving an ecological balance by avoiding depletion of natural resources
- 2. to put dangerous stuff (chemicals, trash etc.) on the ground without bothering to pick it up
- 4. a species that is no longer at the surface of the Earth
- 7. ozone what protects us from the sun's UV rays? renewable _____
- 8. a biological community of interacting organisms
- 10. reuse (discarded objects or material) in such a way as to create a product of a higher quality or value than the original
- 11. to put trash on the surface without bothering to pick it up
- 13. the production and discharge of something, especially gas or radiation
- 15. what kind of energy does the sun have?
- 18. to save something