As the Moon and Earth pull on one another, the oceans bulge about 1m on opposite sides of the Earth. In Earth's daily rotation, the area that passes the bulge experiences high tide. The time of the high tides fluctuates because
A) not all areas of Earth use daylight savings time.
B) while Earth spins on its axis, the Moon orbits the Earth—the timing is a bit off.
C) as Earth spins on its axis, the Moon spins on its own axis—the timing is a bit off.
Answer: B
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