| 11. | The study of abiogenesis involves starting material for the development of life on Earth.
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| 12. | :Stuart Kauffman has written about abiogenesis via auto catalytic sets of chemical species.
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| 13. | And there are other theories, see abiogenesis.
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| 14. | :We have an article on abiogenesis.
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| 15. | See Miller Urey experiment and Abiogenesis.
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| 16. | The topic sentence of the page is false in that it pronounces abiogenesis as a fact.
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| 17. | Finally, abiogenesis is not more hypothetical than evolution, expansion of the universe or gravity.
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| 18. | Under these criteria abiogenesis is a theory, not a fact, and should be labelled accordingly.
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| 19. | Grand Dizzy asked, on the talk page, when abiogenesis was proved to be categorically true.
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| 20. | :Since you mention the start of life you might like to read our article on abiogenesis.
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