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Home Q & A Board Science-Related Homework Help Physics Astronomy
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killian killian
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10 years ago
The Caloris Basin on Mercury covers a large region of the planet, but few smaller craters have formed on top of it. From this we conclude that
A) erosion destroyed the smaller craters that formed on the basin.
B) Mercury's atmosphere prevented smaller objects from hitting the surface.
C) only very large impactors hit Mercury's surface in the past.
D) the Caloris Basin formed toward the end of the solar system's period of heavy bombardment.
E) the Caloris Basin was formed by a volcano.
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padrepadre
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9 years ago
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killian Author
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9 years ago
Thanks sir, this is for my astronomy class
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