Biology, 15.07.2019 02:10, evelynrrojas461

(50 points + ! )what did the miller-urey experiment demonstrate?
earth's early atmosphere contained abundant oxygen.
early earth was constantly bombarded with comets.
small organic molecules formed from gas mixture of earth's early atmosphere.
organisms were spontaneously generated on early earth.

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(50 points + ! )what did the miller-urey experiment demonstrate?
earth's early atmosphere con...