Question

why is the sky blue? and why is our snot yellow​

Answer 1

Answer:

Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

Your mucus usually turns yellow whenyour body is fighting an infection. When your mucus traps potential illness-causing debris, like pathogens that cause the common cold or flu,your immune system sends inflammatory cells such as white blood cells to the area to help destroy the invaders

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