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doit_the_clown doit_the_clown
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7 years ago
Which of the following important atomic or molecular species is difficult to detect in the interstellar medium?
A)   Molecular hydrogen (H2)   C)   Carbon monoxide (CO)
B)   Atomic hydrogen (H)   D)   Water vapor (H2O)
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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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hyponoticahyponotica
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7 years ago
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doit_the_clown Author
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7 years ago
Thanks
my2redeyes
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Yesterday
Helped a lot
jayfo05
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2 hours ago
this is exactly what I needed
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