A Cubic Centimeter of Quartz, Olivine, and Gold Weighs 2

question 55

Multiple Choice

A cubic centimeter of quartz, olivine, and gold weighs 2.5, 3.0, and 19.8 grams, respectively. This indicates that______ .

• A) gold has a higher specific gravity than quartz and olivine
• B) olivine and quartz powders are harder than metallic gold
• C) gold and olivine are silicates, whereas quartz is elemental silicon
• D) gold is 6 to 7 times harder than olivine and quartz

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Definitions:

Productivity

A measure of the efficiency of production, often quantified as the ratio of output to inputs in the production process.

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The additional revenue generated from using one more unit of a factor of production, used to determine the optimal level of resource allocation.

Productivity

The measure of how efficiently goods and services are produced, often gauged by the output per unit of labor input.