A Post-1982 Penny Is Made with Zinc, but Its Density

question 1

Multiple Choice

A post-1982 penny is made with zinc, but its density is actually greater than that of zinc because ________.

• A)it is coated with a thin layer of copper, which is more dense than zinc
• B)it is compressed to a smaller volume in the manufacturing process
• C)it has more mass for the same volume
• D)Both A and C are correct

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Definitions:

Expectancy

A belief or anticipation regarding the likelihood that a specific outcome will occur as a result of certain actions or behaviors.

Homeostasis

The process by which a living organism or cell maintains a stable internal environment despite changes in external conditions.

Propinquity

The tendency for people to form close relationships or feel a sense of attraction with others who are geographically close or frequently encountered.

Unbalance

A state of lack of equilibrium or stability, either physically, emotionally, or in terms of a system or situation.