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Liaaaa Liaaaa
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6 years ago
In the mid-19th century, there were two competing theories regarding the nature and origin of disease. These competing thoeries were
 
  A. Localization and specificity.
  B. Contagionism and quarantine.
  C. Vectorism and pollution.
  D. Atmosphere and environment.
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lhess431lhess431
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Liaaaa Author
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6 years ago
Brilliant ツ
TheMoffattMan
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Yesterday
Just got PERFECT on my quiz
jamesbove
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2 hours ago
Smart ... Thanks!
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