What Is the Difference Between an Ore and a Rock

question 40

Multiple Choice

What is the difference between an ore and a rock?

• A) ores contain a large concentration of a particular mineral; a rock may or may not be an ore
• B) ores contain only metallic minerals; rocks contain only nonmetallic minerals
• C) ores are always profitable to extract; rocks are never profitable to extract
• D) ores are good conductors of heat and electricity; rocks are not good conductors of heat and electricity
• E) ores are usually formed through hydrothermal processes; rocks are usually formed through sedimentation

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