Question

What process is MOSTLY responsible for the blue appearance of the sky? A) refraction of light by clouds B) scattering of light by air molecules C) refraction of light by water molecules D) obstruction of yellow light by pollutan

Answer 1

B) scattering of light by air molecules

Air molecules have a significance size that enables the to scatter blue part of white liight from sun.

This produces the illusion that sky is blue