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Can a) H2 b) O) c) He d) Ar e) CO2 be used to lift a balloon?

Can a) H2 b) O) c) He d) Ar e) CO2 be used to lift a balloon?
asked 43.8k views
16 votes
Can a) H2 b) O) c) He d) Ar e) CO2 be used to lift a balloon?

asked
User Thomas Denney
by
7.7k points

1 Answer

12 votes

Answer:

I am thinking h2 is answer

answered
User Loonatick
by
8.0k points
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