Water Pollution

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Across
  1. 2. Acids that are deposited ob Earth as rain an snow or as gas particles that attach to surfaces
  2. 6. A heavy metal that is added to water throught lead-lined pipes.
  3. 7. Harmful chemicals used for rocket fuel
  4. 9. The amount of oxygen a quantity of water uses at a specific temperature over a period of time
  5. 11. The top of oil contamination in the ocean
  6. 14. Group of mostly harmless microorganisms in human intestines that can serve as an indicator species for harmful microorganisms with contaminated sewage
Down
  1. 1. the specific location from which pollution is directly produced
  2. 3. Solid waste material from wastewater
  3. 4. Not used in the clean up of oil spills
  4. 5. if people are not connected to a city sewer system, they probably have this to treat their wastewater
  5. 8. The increase in fertility in a body of water as a result of anthropogenic units of nutrients
  6. 10. An area of water with low oxygen concentration and life
  7. 12. A pond that’s lined with rubber that handles large quantities of manure produced by livestock
  8. 13. A heavy metal that occurs naturally in Earth’s crust