__What is the meaning of "Midnight Sun"?__

1.	__What is the meaning of "Midnight Sun"?__
A.	Evening light
B.	Rising Sun
C.	Very hright Moon
D.	Shining of Sun in Arctic and Antarctica circle
Answer» E.

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For a sandy soil having an angle of internal friction 30°, the ratio of passive and active lateral earth pressure will be
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__What is the meaning of "Midnight Sun"?__

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What is the meaning of "Midnight Sun"?