Biology, asked by sumitgil27, 5 months ago

hot air balloons are filled with ​

Answers

Answered by Anonymous
2

Answer:

Balloon, large airtight bag filled with hot air or a lighter-than-air gas, such as helium or hydrogen, to provide buoyancy so that it will rise and float in the atmosphere.

Answered by dhruvanireddy53
3

Answer:

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Explanation:

Balloon, large airtight bag filled with hot air or a lighter-than-air gas, such as helium or hydrogen, to provide buoyancy so that it will rise and float in the atmosphere

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