alleryThe Moon's diameter is about what fraction of Earth's?
AOne-half
BOne-tenth
CThree-quarters
DOne-quarter
Answer & Solution
Correct answer: D. One-quarter
1. The Moon is Earth's only natural satellite.
2. Its diameter is one-quarter that of Earth.
3. One-half and three-quarters overstate it, and one-tenth understates it.
_Source: Wikipedia, Solar System, Inner planets_
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