earth atmosphere

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the most grotesque
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earth atmosphere

Post by the most grotesque » Thu Aug 23, 2007 8:41 pm

The primitive earth atmosphere is hypotesized to have consisted mostly of_______.

A) oxygen, nitrogen and water vapor.
B) hydrogen, methane, ammonia and water.
C) amino acid, ATP, carbohydrates and oxygen
D) none of these

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mith
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Post by mith » Thu Aug 23, 2007 10:37 pm

C. Give me a reason to think otherwise.
Living one day at a time;
Enjoying one moment at a time;
Accepting hardships as the pathway to peace;
~Niebuhr

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MrMistery
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Post by MrMistery » Mon Aug 27, 2007 11:52 am

Jokes, aside, I am curios what the answer they expect is. Because this is still a hot debate.
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter

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MichaelXY
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Post by MichaelXY » Wed Aug 29, 2007 9:13 pm

Well, I had to dig out my Geology 101 book for this. According to the Nebular Hypothesis. The earth consisted of water, carbon dioxide, ammonia, and methane. So my guess would be D. B was close, but no CO2 ws listed.
Ref- Tarbuck, Lutgens, An Intro to Physical Geology

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