Consider the following statements. 1. The diffused light that occurs before sunrise is known as dawn. 2. Light is scattered by the molecules of atmosphere gases. 3. The duration of dawn and twilight varies with altitude. 4. Lower sun angles produces longer dawn and twilight. Which of the above statements are correct?

Consider the following statements. 1. The diffused light that occurs b

1.	Consider the following statements. 1. The diffused light that occurs before sunrise is known as dawn. 2. Light is scattered by the molecules of atmosphere gases. 3. The duration of dawn and twilight varies with altitude. 4. Lower sun angles produces longer dawn and twilight. Which of the above statements are correct?
A.	1 and 2 only
B.	2 and 3 only
C.	3 and 4 only
D.	1, 2, 3 and 4
Answer» E.

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