Which of the Following Statements About Galaxies Is True

question 41

Multiple Choice

Which of the following statements about galaxies is true?

• A)Small galaxies outnumber large galaxies and produce most of the light in the universe.
• B)Small galaxies outnumber large galaxies but large galaxies produce most of the light in the universe.
• C)There is an approximately equal number of small and large galaxies in the universe and together they each contribute an equal amount of light.
• D)Most galaxies in the universe are about the same size as the Milky Way.
• E)Galaxies come in a wide variety of shapes and sizes but are all very blue in color.

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Definitions:

Consumer Surplus

Consumer surplus is the difference between the total amount that consumers are willing and able to pay for a good or service versus the total amount that they actually do pay.

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, typically measured as the area above the supply curve and below the market price.

Marginal Benefit

The heightened satisfaction or usefulness derived from the consumption of an extra unit of a good or service.

Marginal Cost

The cost added by producing one extra item of a product. It's a critical concept in economics for determining the optimum production level.