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Equatorial diameter of the Earth is __.

A. 12757 km

B. 17257 km

C. 17527 km

D. 17572 km

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  11. What part of the moon's surface can be visible from the earth?
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  18. Polar circumference of the Earth is
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  20. What is significant about the town of Greenwich?
  21. Which planet la known as a 'Morning Star' as well as an 'Evening Star'?
  22. The solar eclipse takes place when
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