Multiple choice

The difference in the duration of day and night increases as one moves from

  1. east and west of the prime meridian

  2. west to east

  3. poles to equator

  4. equator to poles
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The difference in the duration of day and night is caused by the tilt of the Earth's axis. This difference is zero at the equator and increases as one moves toward the poles, where the variation is most extreme.

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