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  3. When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things? Scienti

When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things? Scienti

admin2009-05-28  99
问题 When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things?
Scientists figured out that human bodies are basically made of ______.
选项 A、hydrogen, carbon, nitrogen, and oxygen atoms
B、water vapor, ammonia, carbon dioxide, methane and hydrogen
C、biomolecules and water
D、evolutionary molecules
答案C
解析
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