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【单选题】
If the densit y , ρ , of air (in an op en system at atmospheric pressure) increases b y a factor of 1.4x due to a temp erature c hange,A.
sp ecific w eigh t increases b y 1.4x
B.
sp ecific w eigh t increases b y 13.7x
C.
sp ecific w eigh t remains the same
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