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mcke mcke
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6 years ago
A balloon is buoyed up with a force equal to the
 a. density of the surrounding air
  b. atmospheric pressure
  c. weight of the balloon and its contents
  d. weight of the air it displaces
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lila2016lila2016
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6 years ago
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mcke Author
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6 years ago
Thanks for your help!!
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Yesterday
Smart ... Thanks!
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2 hours ago
This helped my grade so much Perfect
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