During a science class, Sarah observed that the Moon looked like a thin silver crescent in the sky. Her friend asked why the Moon's shape seems to change over time. Choose the correct reason.

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• A The moon changes its size around the sun.
• B The moon rotates on its axis showing different sides of Earth
• C Earth blocks sunlight from reaching the moon, creating shadows on its surface.
• D Because different parts of the moon receive light from the sun at different times.

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