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Another gas was used for many years to float transportation balloons. WHICH GAS IS IT: 1) Carbon dioxide 2) Oxygen 3) Hydrogen Why is this gas not used in balloons today?
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Another gas was used for many years to float transportation balloons.

WHICH GAS IS IT:

1) Carbon dioxide
2) Oxygen
3) Hydrogen

Why is this gas not used in balloons today?

User Engin OZTURK
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1 Answer

4 votes
Another gas that was used to fill balloons was hydrogen. The reason why hydrogen is not used today is because it use to cause many fires when it was used to fill balloons up.

Hope I helped you! :)
User Kamalone
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