Stars Twinkle Because Of

question 25

Multiple Choice

Stars twinkle because of:

• A) interstellar dust.
• B) surface variations on the stars.
• C) atmospheric turbulence.
• D) opacity variations.

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Definitions:

Increase

A situation where there is a growth or rise in figures, amounts, or indicators in an economic context.

Demand Curve

A graphical representation that shows the relationship between the price of a good and the quantity demanded by consumers.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a given period.

Decrease

A reduction in size, quantity, or degree of something.