19dunaa
19dunaa 19dunaa
  • 23-02-2018
  • Physics
contestada

Why does a helium balloon float in air?
A. Helium is denser than air.
B. Helium is less dense than air.
C. The helium is under pressure in the balloon.

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ileepig1p3164i
ileepig1p3164i ileepig1p3164i
  • 23-02-2018
less dense. like in water. things less dense then it float.
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