David Wu
Which one is right? Now a paper in Science argues that organic chemicals in the rock come mostly room ______on earth rather than bacteria on Mars. A configuration B constitution C condemnation D contamination
27 нояб. 2014 г., 13:32
Ответы · 2
1
The answer is D, but the question is also a little bit wrong. I think it should read: Now a paper in Science argues that organic chemicals in rocks come mostly from contamination on earth rather than bacteria on Mars.
27 ноября 2014 г.
Danny is correct.
27 ноября 2014 г.
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