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OpenStudy (anonymous):

a collision of the earth and another planet the size of mars is thought to have resulted in (1 point) A. the heliocentric model for the universe. B. the geocentric model for the universe. C. Mars. D. The Moon.

OpenStudy (anonymous):

@sidsiddhartha @davidmack

OpenStudy (anonymous):

d

OpenStudy (anonymous):

D :)

OpenStudy (sidsiddhartha):

u could use this http://en.wikipedia.org/wiki/Giant_impact_hypothesis

OpenStudy (anonymous):

thanks guys :)

OpenStudy (anonymous):

ur welcome

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