The danger signals installed at the top of tall buildings ...

★ Human Eye and Colorful World Quiz

The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light

A. moves fastest in air

B. is absorbed the most by smoke or fog

C. is scattered the least by smoke or fog

D. is scattered the most by smoke or fog

Select your answer:

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