The Discussion of Reclassifying Pluto as a Minor Planet or an Interplanetary

question 6

Multiple Choice

The discussion of reclassifying Pluto as a minor planet or an interplanetary body illustrates the fact that

• A)even scientists are sometimes unsure of what is really a problem.
• B)the way we use and change language reflects our efforts to better describe and understand the world around us.
• C)even natural phenomena are difficult to define clearly.
• D)even those in the hard sciences such as astronomy have a difficult time defining concepts.

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Definitions:

Expectancy

The anticipated outcome or occurrence of an event, often used in the context of probability or investment returns.

Imputed Interest

The interest rate that is considered or assumed in the calculation of the cost of a decision, not explicitly paid.

Residual Income

The amount of income that an individual has after all personal debts and expenses have been paid from his or her earnings.

Return On Investment

A financial metric used to evaluate the efficiency of an investment, calculated as net profit divided by the initial cost of investment.