Solve.A researcher measured the weights of three substances in a laboratory: Substance A (22.01 g), Substance B (21.9 g), and Substance C (22.1 g). Which substance was the heaviest?
A. Substance C
B. Substance A
C. Not enough information
D. Substance B
Answer: A
Mathematics
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B. 
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What will be an ideal response?
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A. 
, 
B. 
, 
C. 
, 
D. - 
, - 
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B. 
C. 
D. 
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