Environmental science

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Across
  1. 2. protection of natural resources
  2. 4. a biological community
  3. 6. the presence of harmful substances
  4. 7. converting waste into reusable material
  5. 8. the removal of forests
  6. 9. a particular habitat
  7. 10. An element in fossil fuel
  8. 11. the ability to be maintained
Down
  1. 1. the process by which plants synthesize food
  2. 3. the long term pattern of weather
  3. 5. A gas in earth’s stratosphere
  4. 7. resources that are naturally replenished over short periods