What Substance Has a Rating of 10 on the Mohs

question 51

Multiple Choice

What substance has a rating of 10 on the Mohs hardness scale?

• A)beryllia
• B)silicon carbide
• C)diamond
• D)aluminum

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Definitions:

Average Accounting Return

A financial ratio that measures the average net income a company expects to earn from an investment compared to its initial cost.

Book Value

The net value of a company's assets as recorded on the balance sheet, calculated by subtracting liabilities from the total value of assets.

Initial Investment

The amount of money used to start a business venture or project, not including operating costs or maintenance expenses incurred after the venture is operational.

Straight-line Depreciation

A method of depreciating fixed assets evenly across their useful life.