Multiple Choice
The sky appears blue during the day because
A) small dust particles in the atmosphere absorb blue light less efficiently than red light.
B) small dust particles in the atmosphere scatter blue light more efficiently than red light.
C) the atmosphere contains a large amount of water vapor which,in large quantities,appears blue.
D) 70% of Earth's surface is water and its blue color is reflected off small particles in the atmosphere.
E) the ozone in the atmosphere absorbs ultraviolet light and passes more red light than blue.
Correct Answer:

Verified
Correct Answer:
Verified
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