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Science Essentials eBook Series

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  • Oxygen

    A Four Billion Year History

    by Donald E. Canfield ...
    Series series Science Essentials
    The remarkable scientific story of how Earth became an oxygenated planetThe air we breathe is twenty-one percent oxygen, an amount higher than on any other known world. While we may take our air for granted, Earth was not always an oxygenated planet. How did it become this way? Donald Canfield—one of the world's leading authorities on geochemistry, earth history, and the early oceans—covers this ... Read more

    $32.39 USD