Question

What is a use of helium gas?


A:
Fire extinguishers
B:
Lights
C:
Party balloons
D:
Double glazing windows

Answer 1

Answer:

B:

Lights

Explanation:

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Answer 2

Answer:

c: party balliins

Explanation:

Helium is used as an inert-gas atmosphere for welding metals such as aluminum; in rocket propulsion (to pressurize fuel tanks, especially those for liquid hydrogen, because only helium is still a gas at liquid-hydrogen temperature)