Environmental Conservation

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Across
  1. 3. Pollution contaminates water, harms life
  2. 5. The gas used by bacteria to decompose organic matter
  3. 6. Occurs when too many nutrients enter an aquatic ecosystem
  4. 8. Pollution from various, scattered sources
  5. 10. When land that used to be healthy turns dry and empty
  6. 12. The organisms responsible for decomposition in aquatic ecosystems
  7. 13. Used by people with no access to sewer system
  8. 14. Pollution that falls as rain
  9. 16. Pollution from a single, identifiable source
  10. 18. The removal of large areas of forest for human purposes
Down
  1. 1. The number one cause of habitat destruction
  2. 2. An aquatic plant that grows exponentially due to eutrophication
  3. 4. Gas that increases due to deforestation
  4. 7. Animals lose this due to deforestation and urbanization
  5. 9. When land is used for the development of cities
  6. 10. A structure that blocks water from flowing in rivers
  7. 11. An example of deforestation
  8. 15. Extra water that often transports pollutants
  9. 17. Uses manure and other natural sources for nutrients
  10. 18. Zone No life can exist; happens when all oxygen is used up