Question

Why is the sky blue?​

Answer 1

Answer:

The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller wavelength. ... These shorter wavelengths correspond to blue hues, hence why when we look at the sky, we see it as blue.

Explanation:

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Answer 2

Answer:

because the wavelength of blue colour is less than to the comparison of red orange yellow so blue colour spreads into our atmosphere