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ttteel ttteel
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Posts: 484
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6 years ago
According to Stephen Saunders, former deputy assistant Secretary of the Interior, the greatest threat the national parks have ever had is
 
  a. large scale deforestation
  b. the projected climate change
  c. overuse by tourists
  d. air pollution
  e. pollution of both air and fresh water bodies such as streams and rivers
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HaileyianHaileyian
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6 years ago
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