Which of the Following Radioactive Substances Is Commonly Used to Date

question 186

Multiple Choice

Which of the following radioactive substances is commonly used to date very ancient (older than the Cenozoic) fossils and events in the history of life?

• A) Carbon-14
• B) Carbon-12
• C) Nitrogen-14
• D) Potassium-40
• E) Argon-40

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Definitions:

Total Area

The entire surface area of a two-dimensional shape or the combined surface areas of all faces of a three-dimensional object.

Ratio

The quantitative relation between two amounts, showing the number of times one value is contained within the other.

Average Cost Function

A function that calculates the total cost of producing goods divided by the quantity of goods produced.

Setup Cost

The initial expenses required to start a project or establish a new production line.