camiilajakobsen2568 camiilajakobsen2568
  • 29-10-2018
  • English
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Give two reasons why helium is used to fill a blimp's envelope.

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salatulmaghrib
salatulmaghrib salatulmaghrib
  • 29-10-2018
Helium is lighter than air.
Helium is not flammable like hydrogen.
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