Nothing, helium is not a toxic, irritant, radioactive, corrosive gas.
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∙ 11y agoat or near the core
Hydrogen, helium, and other ionized gases
Nuclear fusion, in which hydrogen-1 is fused into helium-4.
All their hydrogen and helium.
Nuclear fusion, converting hydrogen nuclei into helium nuclei.
No, not with the human eye.
Nothing, helium is inert.
Helium is chemically inert and does not react with aluminium
Nothing will happen. Helium is completely nonreactive.
Helium is not important for living beings.
The helium explodes into flames (which quickly die out).