Water Pollution

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Across
  1. 4. hotter temperatures
  2. 7. breakout of insects
  3. 9. hydrocarbon-containing material formed naturally in the earth's crust
  4. 10. a viscous liquid derived from petroleum, especially for use as a fuel or lubricant.
  5. 11. human-induced warming of the Earth system
Down
  1. 1. Dark brown water
  2. 2. an event of prolonged shortages in the water supply
  3. 3. $5.00 per gallon
  4. 5. contamination of water sources
  5. 6. the trapping of the sun's warmth in a planet's lower atmosphere
  6. 8. a sedimentary deposit that is readily combustible
  7. 12. a large, destructive fire that spreads quickly over woodland or brush.