Which of the following was most likely not present in creating the fatty acids of early earths waters of the past?
1#phosphorus
2#nitrogen
3#hydrogen
4#ammonia
scientists were able to determine the age of the earth from rock samples that were annualized. what technique was used to do this?
1#fossil records
2#geological time scale
3#radiometric dating
4#extinction
Answers: 2
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What is an example of a scientific question that galileo could not have answered with out this new tool?
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Which of the following was most likely not present in creating the fatty acids of early earths water...
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