The Earth's average density (5520 kg/m³) is slightly higher than that of Mercury (5430 kg/m³) because
A) Earth has a larger iron core in proportion to its size than Mercury has.
B) Earth is more massive than Mercury and has therefore become more compressed, gravitationally.
C) Mercury's interior has expanded slightly because of radioactive heating, reducing its density since its formation.
D) Earth has a denser atmosphere than Mercury has.
Correct Answer:
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Q29: The planet with the highest overall density
Q51: How does Mercury rotate, relative to the
Q390: There is no evidence of plate tectonics
Q391: The interior of Mercury contains:
A) significant amounts
Q393: Mercury's average density and the fact that
Q394: Mercury can be characterized as having:
A) a
Q396: How many times does Mercury rotate with
Q397: What is the relationship between Mercury's rotation
Q398: If you are on Mercury and the
Q399: The internal structure of Mercury is a:
A)
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