Question

which gas is filled ballon​

Answer 1

Answer:

helium

Explanation:

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).

Answer 2

Answer:

Helium is the gas filled in balloons.

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).

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