A mineral sample scratches fingernails, pennies, and glass but does not scratch steel as shown below. What is the hardness of th
e mineral?
Hardness test
A. about 4
B. about 5
C. about 6
D. about 7
THE CORRECT ANSWER IS 6 !! just wanted to help someone who needed help :) have a good day or night.
Hardness test
A. about 4
B. about 5
C. about 6
D. about 7
THE CORRECT ANSWER IS 6 !! just wanted to help someone who needed help :) have a good day or night.
1 answer:
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