1. Explain why the refraction of sunlight causes the length of daylight to be longer than if the… 1 answer below »

1. Explain why the refraction of sunlight causes the length
of daylight to be longer than if the Earth had no atmosphere.

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2. Explain why a person in Lincoln, Nebraska (41° north
latitude), will never see a rainbow at noon on June 21.

 3. Name each of the optical phenomena shown in the
accompanying photos.