The position of the sun is annually twice overhead at Singapore becaus

1.	The position of the sun is annually twice overhead at Singapore because of the ________%!
A.	Rotation of the earth
B.	Revolution of the earth
C.	Elliptical path of the earth's orbit
D.	Parallelism of inclined axis of the earth
Answer» E.

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The position of the sun is annually twice overhead at Singapore because of the ________%!

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