Q
Phases of the moon occur because:
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A
A. We can see only that part of the moon which reflects light towards us
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B
B. Our distance from the moon keeps changing
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C
C. The shadow of the earth covers only a part of moon's surface
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D
D. The thickness of the moon's atmosphere is not constant
Correct Answer:
A. A. We can see only that part of the moon which reflects light towards us