Which one of the following defines ‘Earth Day’?

(a) The days on which the days and nights are equal all over the earth
(b) The motion of the earth around the sun in its orbit
(c) The distances between the longitudes
(d) The period of one rotation of the earth around its axis

Anurag Mishra Professor Asked on 23rd February 2016 in General Knowledge.
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    Answer: (d) The period of one rotation of the earth around its axis

    Anurag Mishra Professor Answered on 25th February 2016.
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