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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)
Textbook 
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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