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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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nurse12 nurse12
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6 years ago

How are pristine conditions of the atmosphere determined?
  a. Research conducted prior to the Industrial Revolution
  b. Seawater samples from deep within polar ice packs
  c. Sediment samples
  d. coral skeletons
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mikeman2332mikeman2332
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6 years ago
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nurse12 Author
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You make an excellent tutor!
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