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Author Question: Which of the following has been used to reconstruct past climates? a. analysis of air bubbles ... (Read 108 times)

strangeaffliction

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Which of the following has been used to reconstruct past climates?
  a. analysis of air bubbles trapped in ice
  b. study of documents describing floods, droughts and crop yields
  c. the ratio of oxygen 18 to oxygen 16 in the shells of marine organisms
  d. study of geologic formations
  e. all of the above



Question 2

Evidence suggests that throughout much of the earth's history, the global climate was:a.
   warmer than it is today
  b. colder than it is today
  c. about the same temperature as it is today
  d. more variable than it is today




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Bsand8

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Answer to Question 1

e

Answer to Question 2

a





 

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