BreaakelKCetrejohn BreaakelKCetrejohn

08-12-2015
Chemistry

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Approximately how long has the Moon been geologically inactive?
A. 1 billion years
B. 3 billion years
C. 4 billion years
D. 4.5 billion years

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wmd1999 wmd1999

08-12-2015

about one billion years, so A

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babygurl121599 babygurl121599

08-12-2015

the answer is A. 1 billion years hope this help :)

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