Which of the following best describes why we see the moon at different phases?
A. We are only seeing portions of the moon when its orbit is closest to the Earth.
B. We are only seeing portions of the moon that is reflecting sunlight.
C. We are only seeing portions of the moon that is reflecting Earth's atmosphere.
D. We are only seeing portions of the moon that is blocking sunlight.
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Which of the following best describes why we see the moon at different phases?
A. We are only seei...
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