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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 heavy bombardment phase of the solar system lasted
A) several million years.
B) several tens of millions of years.
C) several hundreds of millions of years.
D) about a billion years.
E) to the present time.
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padrepadre
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10 years ago
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killian Author
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#2
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10 years ago
Thanks sir, this was for my astronomy class
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