Across
- 4. to make available
- 6. dioxide the most common greenhouse gas found in our atmosphere
- 9. makeup/ the genes that tell the traits of an organism
- 10. chemicals used to destroy fungus
- 11. a pollution clean-up method where trees are used to absorb chemicals
- 14. to make clean and pure
- 17. chemicals or other substances that are used to make the soil more fertile
- 18. gases gases that get trapped in the atmosphere and cause global warming
- 21. chemicals that keep insects from eating and destroying the crop
- 23. to rely on
- 24. the natural home of a plant, animal, or organism
- 25. warming the gradual increase in temperature of the Earth's atmosphere
- 28. a substance or object that intrudes in an area that has harmful effects
- 29. modification changing the genetic makeup of a crop so that it is immune to the affects of pesticides and other chemicals
Down
- 1. chemicals used to kill or get rid of pests that are harmful to the crop
- 2. a plant grown for food
- 3. a very large unit of measure equal to about 2.471 acres
- 5. the process plants go through to create their own food
- 7. the "bubble" of gases that surround our planet
- 8. chemicals used to keep rodents like squirrels and mice away from crops
- 12. when a species no longer exists on the Earth
- 13. the cutting down of forests resulting in clear land
- 15. substances that are harmful to the environment
- 16. plants that grow where they are not wanted
- 19. the gas that all humans and animals breathe
- 20. the amount produced
- 21. not effected by something
- 22. farming a type of agriculture that is done on a large scale uses herbicides, pesticides, and other chemicals
- 24. a chemical used to kill weeds
- 26. farming a type of agriculture that uses no harmful pollutants or chemicals
- 27. to take in