What Kind of Materials Can Be Reliably Dated by the C-

question 54

Multiple Choice

What kind of materials can be reliably dated by the C- 14 method?

• A) biotite, hornblende, and muscovite; particularly in Mesozoic and older rocks
• B) Paleozoic oil and gas deposits in limestones
• C) Recent: clams, foraminifera, and wood <70,000 years old
• D) Precambrian zircons in igneous and metamorphic rocks

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Definitions:

Unit Selling Price

The cost for one unit of a product when it is sold.

Unit Variable Costs

Costs that vary directly with the volume of production or sales, such as materials and labor, on a per-unit basis.

Contribution Margin Ratio

A financial metric that measures the portion of revenue remaining after variable production costs that can contribute to covering fixed costs and generating profit.

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit, indicating how much each unit sold contributes to fixed costs and profit.