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lindseyb1220 lindseyb1220
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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) All of these choices
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yuencyuenc
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6 years ago
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lindseyb1220 Author
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6 years ago
Brilliant
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Yesterday
This helped my grade so much Perfect
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2 hours ago
Thanks for your help!!
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