The Search for Radio Signals from Intelligent Civilizations on Planets

question 53

Multiple Choice

The search for radio signals from intelligent civilizations on planets around nearby solar-type stars is an example of a

• A) sky survey
• B) targeted search
• C) intentional search
• D) random sweep

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Definitions:

Pretax Income

The amount of income earned by a business before taxes are deducted.

Fixed Costs

Expenses that do not change with changes in the volume of production or sales, such as rent, salaries, and insurance.

Variable Costs

Costs that vary directly with the level of production or sales activity.

Contribution Margin Ratio

A financial metric that shows the portion of sales revenue that is not consumed by variable costs and is available to cover fixed costs.