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AreebJ AreebJ
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6 years ago
From a scientific point of view, what are the advantages of studying extinctions as a consequence of historic human action?
 
  a. Historic information helps scientists to date the start of human impact.
  b. The effects of human action are independent of nonhuman effects.
  c. Scientists always know the natural state of a system prior to human impact.
  d. The strength of human impact is easy to measure.
  e. A and B.
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