SAT OwlPeople on Earth always see the same face of the Moon. This happens because the Moon rotates once on its axis in the same amount of time it takes to orbit Earth once, about 27 days. As a result, people standing on Earth ______
Which choice most logically completes the text?
see a different side of the Moon each night.
never see one side of the Moon.
can see the Moon only once every 27 days.
can watch the Moon spin rapidly as it crosses the sky.
Show answer and explanation
Answer: B
If the same face always points toward Earth, the opposite face never does. So people on Earth never see that side, as choice B states.
Choice C misuses the 27-day figure, which is the length of the Moon's orbit and rotation, not how often it can be seen.
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