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  2. quizlet.com › 632530268 › unit-2-life-in-the-oceans-flash-cardsUnit 2: Life in the Oceans Flashcards | Quizlet

    Alexander Oparin and J.B.S Haldane were two scientists who hypothesized that life needed reducing environments initially to appear. They theorized that the chemistry of oceans in the early ages differed from the chemistry of present-day oceans.

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