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How do we know the Caloris Basin on Mercury was formed late in the period of intense ...

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How do we know the Caloris Basin on Mercury was formed late in the period of intense ...

How do we know the Caloris Basin on Mercury was formed late in the period of intense bombardment?
A)   Radioactive dating of rock samples has fixed the date of formation.
B)   The basin contains very few craters.
C)   The surface of the basin is much darker than the rest of the planet, suggesting the surface had not yet been churned over by meteoric impacts.
D)   Mountain ranges in the basin are very high because they have not had time to suffer significant erosion.

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Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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symbo Author

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6 years ago

It's correct Smiling Face with Open Mouth

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