When did scientists come to realize how the atoms and molecules on the Earth mos

游客2023-09-22 70

问题 When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things? [br] Harold Urey and Stanley L. Miller did their experiment in order to ______.

选项 A、dissolve some new chemicals
B、find out what may have happened on the Earth 4 billion years ago
C、simulate bolts of lightning on the ancient Earth
D、analyze a liquid

答案 B

解析

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When did scientists come to realize how the atoms and molecules on the Earth mos

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治疗霍乱首选抗菌药物为()A.青霉素 B.黄连素 C.环丙沙星 D.

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