The Sun Is More Likely to Appear Red at Sunset

question 86

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

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