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04-02-2020
Biology

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17. According to the Mohs Hardness Scale, what's the approximate hardness of topaz?
A. 8
B. 10
C.9
D.7

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sherifatlwl sherifatlwl

04-02-2020

Answer: (A) the answer is 8

Explanation:topaz on the scale is no 8, followed by corundum no 9 and then diamond which is the hardest on no 10

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