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adreamer adreamer
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6 years ago
What source of energy might keep an ocean beneath the surface of Callisto liquid?
A) tidal heating only
B) radioactive decay only
C) tidal heating and radioactive decay
D) heat released from a partially molten core
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
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DonskoyDonskoy
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6 years ago
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adreamer Author
wrote...

6 years ago
Good timing, thanks!
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Yesterday
Smart ... Thanks!
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2 hours ago
Thanks
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