Which has is present in ballon which that flies?
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3
Answer:
helium
Explanation:
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Answered by
1
Answer:
helium
A gas balloon is a balloon that rises and floats in the air because it is filled with a gas lighter than air (such as helium or hydrogen). When not in flight, it is tethered to prevent it from flying away and is sealed at the bottom to prevent the escape of gas.
⛔ NONEXISTENT ⛔
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