What Is the Difference Between a Rock and an Ore

question 6

Multiple Choice

What is the difference between a rock and an ore?

• A)Rocks have varied chemical composition; ores contain a large concentration of a particular mineral.
• B)Rocks contain only nonmetallic minerals; ores contain only metallic minerals.
• C)Rocks are easily accessible but always non-profitable to extract; ores are inaccessible but always profitable to extract.
• D)Rocks are not good conductors of heat and electricity; ores are good conductors of heat and electricity.

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Definitions:

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