Across
- 4. places where many people put their garbage
- 5. materials found in Earth
- 7. plants that people grow for a purpose, such as to eat or to make clothing
- 10. substances in the air that help keep Earth warm
- 11. food added to soil to help plants grow
- 14. not very hot or very cold
- 18. living and nonliving surroundings
- 20. take in or soak up
- 23. unwanted waste materials
- 25. the heights of ocean water where it meets the land
- 26. Rain polluted precipitation
Down
- 1. the long-term pattern of temperature and precipitation for all of Earth
- 2. a group of the same kind of living things
- 3. substance used to kill living things that eat crops
- 6. a very dry area on Earth
- 8. water in form of fog,rain,sleet,or snow
- 9. energy that travels through space
- 12. the layer of air that surrounds Earth
- 13. dirty air,water,or land
- 15. water beneath Earth's surface that fills wells and spring
- 16. fuels energy resources such as oil,coal, and natural gas
- 17. having all needs met
- 19. very small living things that can cause sickness
- 21. harm;make unsafe
- 22. substances that are invisible like air
- 24. the place where a plant or animal lives and produces seeds or babies