The Sun Is More Likely to Appear Red at Sunset

question 45

Multiple Choice

The sun is more likely to appear red at sunset than in the middle of the day as a result of the

• A)scattering of lower frequencies by larger particles in the air.
• B)longer path of air through which sunlight travels.
• C)lower frequencies of light emitted late in the day by the sun.
• D)pollutants emitted by humans in daylight hours.
• E)absorption effects of the smaller particles in the air.

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Definitions:

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A decrease in the amount of money received from sales or services over a period of time.

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The cost of borrowing money, typically expressed as a percentage of the amount borrowed, paid over a specific period.

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The ratio for valuing a company that measures its current share price relative to its per-share earnings.