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Among the planets of the Solar System, which is the densest?

AEarth
BMercury
CJupiter
DMars
Answer & Solution
Correct answer: A. Earth
1. Density compares mass with volume. 2. Earth is the densest planet in the Solar System. 3. Jupiter is much larger but less dense, and Mercury and Mars are less dense than Earth. _Source: Wikipedia, Earth, Lead section_
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