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Who came 1st to earth?

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Jun 26, 2018

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No body knows.

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The first life had to have proteins to form the membrane needed to separate the life from the environment.

The first life had to have some form of nucleic acids ( RNA, or DNA) to maintain the code needed to produce the proteins needed to separate life from the environment.

The first life had to have a means of replicating the information code need to produce the proteins needed to separate life from the environment.

The first life had to have a means of replicating ( reproducing itself) the information needed to produce the information

The first life had to have some means of converting nutrients to energy, NAHD, ATP, or some other organic energy molecule.

The first life had to have some means of protecting itself from being Oxidized.

( empirical evidence indicates that the earth's atmosphere has always had significant amounts of Oxygen from the earliest times in earth's sedimentary and organic history)

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