Which gas fill in balloons
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Helium is the gas filled in ballons so they can raise up
007A:
hydrogen is not filled in the Ballon because of it's high cost therefore helium is filled in the Ballon.in very very rare cases hydrogen is sometimes filled.
Answered by
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Balloons attract children and Helium filled balloons have the magic
ability to delight the children. Helium balloons are fun for the young
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