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Author Question: If life arose on a planet where carbon is absent, which element might fill the r (Read 1501 times)

Hawke

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on: May 26, 2013
If life arose on a planet where carbon is absent, which element might fill the role of carbon?
A) boron
B) silicon
C) nitrogen
D) aluminum
E) phosphorus


coco

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Reply #1 on: May 26, 2013
Answer: B


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Hawke

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Reply #2 on: Feb 5, 2014
Thank you so much.


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