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PLEASE HELP If a mineral can scratch a penny, what number is it on Mohs Scale?​
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PLEASE HELP

If a mineral can scratch a penny, what number is it on Mohs Scale?​

User Chkn
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1 Answer

5 votes

Step-by-step explanation:

z o o o m 85675494491 pwd eu3nFG

User Igor Kraskynlykov
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