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Because the hot air balloon is _____ than the surrounding air, it will
float:
A)less dense
B)more dense

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(Based on todays review)

  • personthatishere

    Answer:

    A) Less dense

    Explanation:

    As air is heated, it becomes less dense than the surrounding cooler air. The less dense hot air has enough lifting power to cause the balloon to float and rise into the air.

    I hope this makes sense.