The graph below shows the relationship between radius and density for the inner planets and Earth's moon.
What question can one ask about this observation that can lead to a hypothesis?
A. Where is Mercury located in comparison to Mars and Earth's moon?
B. How thick is Mercury's atmosphere in comparison to the other inner planets?
C. Is Mercury significantly larger than Mars and Earth's moon?
D. Does Mercury contain heavier elements than the other inner planets?
Answers: 3
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The graph below shows the relationship between radius and density for the inner planets and Earth's...
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