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doit_the_clown doit_the_clown
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7 years ago
The origin of the Martian magnetic field appears to be
A)   magnetic material deposited by impacts of iron meteorites.
B)   an electric dynamo still operating in the small Martian core.
C)   convection of molten, iron-rich lava in the Martian mantle.
D)   remanent magnetism from an earlier global magnetic field when Mars was young.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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discovererdiscoverer
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7 years ago
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doit_the_clown Author
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7 years ago
Good timing, thanks!
shangshang
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Yesterday
Helped a lot
jayfo05
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2 hours ago
Correct Slight Smile TY
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