Champyboyyyyyyyyy

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Across
  1. 4. the number of inhabitants in an area
  2. 7. a chemical with the symbol S and atomic number of 16
  3. 10. the way VOC's enter the atmosphere
  4. 12. the total number of organisms in a given area
  5. 15. the number of living organisms an area can hold
  6. 16. a gas in the atmosphere that absorbs and emits radiation
  7. 17. poisons that effect the environment in a negative way
  8. 20. the estimated carrying capacity in billions of people of the Earth
Down
  1. 1. the percentage of air pollution caused by transportation
  2. 2. lack of food
  3. 3. buried combustible geologic deposits of organic materials formed from decayed plants and animals that have been converted to crude oil, coal, natural gas, or heavy oils
  4. 5. cutting into hills an mountains to create slab edges to plant on and reduces erosion
  5. 6. the number in billions of people in the world
  6. 8. volatile organic compounds such as methane
  7. 9. a factor or situation the limits the population and holds it on the same number
  8. 11. Reduces visibility
  9. 13. chemical compounds sprayed on plants to rid them of insects, rodents, and other pests so the plants have an easier chance to thrive
  10. 14. the application of controlled amounts of water to plants at needed intervals
  11. 18. Effects plants by killing them and spotting them which ruin habitats
  12. 19. a chemical compound that contains at least one oxygen atom and one other element in it's chemical formula