Question

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Give a geographical reason for each of the following:
(i) The length of day and night is not equal at all places on the earth.
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(iii) The period of twilight and dawn increases polewards
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Answer 1

Explanation:

(i) Since we learned that the Earth's axis is tilted and hence the equator is not facing the Sun directly, different places on Earth would experience unequal length of days and nights—not exactly 12 hours of dayand 12 hours of night all the time.

(ii) The period of twilight and dawn increases polewards. Answer: On account of the oblique path of the sun towards poles than the vertical path along the equator, the length of dawn and twilight is greater, as it is nearly one hour near equator and 50 days at the poles.

Answer 2

Answer:

as we learned that the earth is not straight it is slightly tilted and hence the equator is not facing the sun directly. different places on earth would experience unequal length of the day and night.