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doit_the_clown doit_the_clown
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7 years ago
The major chemical constituent of the layers of material continuously being deposited on the surface of Io, the innermost moon of Jupiter, by “volcanic” action is
   A)  hydrogen.    B)  sulfur.    C)  silicate dust and rock.    D)  water.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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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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