Mercury's iron core takes up approximately what fraction of the volume of the planet?
A) about 17%, very similar to that of Earth
B) greater than 95%
C) about 65-70%
D) about 40%
Correct Answer:
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Q46: Mercury is unique among the inner planets
Q46: Mercury is unique among the inner planets
Q381: The density of Mercury is about the
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Q383: Mercury rotates once with respect to the
Q385: "This planet has a solid,cratered surface,which is
Q388: We believe Mercury suffered a major collision
Q389: How many times does Mercury rotate around
Q390: There is no evidence of plate tectonics
Q391: The interior of Mercury contains:
A) significant amounts
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