ICS Command and General Staff Refresher – page-06

That’s correct. The answer is E: Blue.

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

Reference NASA’s Science page here.

Current score = 3/3 (100%)

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