Specific surface area is the surface area of a unit __________ of mate

1.	Specific surface area is the surface area of a unit __________ of materials.
A.	weight
B.	volume
C.	either (a) or (b)
D.	neither (a) nor (b)
Answer» D. neither (a) nor (b)

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Specific surface area is the surface area of a unit __________ of materials.

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