Chemistry, 10.11.2020 20:00 farihasy6508

Helium is the second most abundant element in the universe, but it is rare in Earth’s atmosphere. Most of the helium used to fill balloons and blimps must be extracted from Earth’s crust. How do you think this helium formed?

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Helium is the second most abundant element in the universe, but it is rare in Earth’s atmosphere. Mo...