Question Details

Detailed explanation and options for the selected question.

What phenomenon causes the sky to appear blue?

A. Refraction of light
B. Reflection of oceans
C. Scattering of light by air molecules
D. Absorption of red light

Explanation:

Rayleigh scattering of sunlight by atmospheric molecules causes the sky to appear blue. It’s not mere reflection of oceans nor absorption of red only.

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