Why Don't Diamonds Turn Back to Graphite Once They Reach

question 7

Multiple Choice

Why don't diamonds turn back to graphite once they reach Earth's surface?

• A) Diamonds are too hard to undergo reactions.
• B) Temperatures need to be lower than those found on Earth.
• C) There is not enough heat on the surface of the earth to drive the reverse reactions.
• D) Humans harvest diamonds before they can turn back to graphite.

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Definitions:

Conversion Costs

The sum of labor costs and overhead expenses related to the transformation of materials into finished products.

Direct Materials

Raw materials that are directly traceable to the production of specific goods or services and are a significant component of manufacturing costs.

Equivalent Units

A concept used in cost accounting to represent the amount of work done on incomplete units, expressed as the equivalent of a number of fully completed units.

FIFO Method

First In, First Out, an inventory valuation method where goods and materials that are acquired first are sold or used first.