alleryWhich process makes the clear daytime sky look blue?
AReflection by the oceans
BAbsorption by ozone
CRayleigh scattering
DRefraction by clouds
Answer & Solution
Correct answer: C. Rayleigh scattering
1. Sunlight is scattered by air particles on its way down.
2. Rayleigh scattering scatters shorter blue wavelengths the most.
3. Ocean reflection and ozone absorption do not colour the whole sky.
_Source: Wikipedia, Atmosphere of Earth, Scattering_
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