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    Conceptual Physical Science
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    Exam 7: Heat Transfer and Change of Phase
  5. Question
    On Sunny Days,why Do Hot-Air Balloons Suddenly Rise When They
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On Sunny Days,why Do Hot-Air Balloons Suddenly Rise When They

Question 49

Question 49

Essay

On sunny days,why do hot-air balloons suddenly rise when they drift over a wide road or a black asphalt parking lot?

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Air over a warm surface is war...

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