Asked by erika

Why does the density of gas in a hot air balloon decrease as the gas is heated?

A. The mass of gas decreases as temperature increases.
B. The mass of gas increases as temperature increases.
C. The volume of gas decreases as temperature increases.
D. The volume of gas increases as temperature increases.
Answered by DrBob
density = mass/volume and (V1/T1) = (V2/T2)
Reason it out.
Answered by helen
It’s D :)
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