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Results 1 - 2 of 2 for Civilization
  1. Plague (National Library of Medicine)  
    ... flea bites. In the past, plague destroyed entire civilizations. Today plague is uncommon, due to better living ...
    https://medlineplus.gov/plague.html - Health Topics
  2. Climate Literacy (U.S. Global Change Research Program)  
    Climate Change/Learn More ... Climate Change ... U.S. Global Change Research Program
    https://downloads.globalchange.gov/...e Literacy Booklet Low-Res.pdf - External Health Links