Question

which of the folloing nable gas is used to fill balloans and air ships SSC dood​

Answer 1

Answer:

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Answer 2

Answer:helium

Both blimps and airships rise up into the air because they are filled with helium, a noble gas that is less dense than air. The helium gives the aircraft buoyancy in the air, just as a floating ship has buoyancy in the water.

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