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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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bwebb03 bwebb03
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6 years ago
Which of the following best describes the Earth's average surface temperature for the past 900,000 years?
 
  a. a steady warming trend
  b. fairly steady temperatures until recently
  c. many fluctuations of several degrees centigrade
  d. fairly steady with occasional cool spells
  e. fairly steady with a recent cooling trend
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lila2016lila2016
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6 years ago
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bwebb03 Author
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6 years ago
You make an excellent tutor!
Hellish Lover
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Yesterday
Thanks for your help!!
hannahspillett
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2 hours ago
Smart ... Thanks!
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