According to Helium.com, "It is used in low-temperature cooling systems and pressure, lighter-than-air objects and purge systems".
Balloons
Nathan
Helium is lighter than air. So balloons or air ships filled with helium will float.
Mostly Bollons.
It uses gas from the sun.
Helium is chemically inert and does not form any compounds
cooling superconductors
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Deep sea divers breath helium and oxygen, helium is also used to inflate party balloons and airship blimps.
Balloons, and making your voice sound fast and high pitch.
to inflat balloons you idiot go kill youself