- 80
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- 120
- None
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- 75.24%
- 79.36%
- 89.10%
- 99.86%
- 100 million
- 150 million
- 200 million
- 250 million
- Of refraction
- It is cooler at sunrise and at sunset
- Of diffraction leading to red end of the spectrum reaching the earth.
- Of Scattering of light due to dust particles and air molecules.
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