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Home Q & A Board Science-Related Homework Help Physics Astronomy
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hermiz hermiz
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7 years ago
What is one hypothesis for why the crust in the northern hemisphere of Mars is thinner and lower than that in the southern hemisphere?
A) a giant impact blasted away crust from the northern hemisphere
B) it once hosted an ocean of water which eroded away the crust
C) tectonic activity caused the southern hemisphere to rise up above the level of the northern hemisphere
D) massive "marsquakes" caused the northern hemisphere to subside
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Life in the Universe

Life in the Universe


Edition: 4th
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Life in the Universe, 4/E (Bennett, Shostak)
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DonskoyDonskoy
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7 years ago
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hermiz Author
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7 years ago
Correct Slight Smile TY
avance37
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Yesterday
this is exactly what I needed
derya1234
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2 hours ago
Smart ... Thanks!
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