Does Superman have the same internal organ as humans since he doesn't need food and is powered by the sun? - Quora
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NEW Hardcover, Superman Science, DC Comics, 2016, Capstone Press, Soaring the Skies, ISBN 9781515709138 - Etsy Denmark
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NEW Hardcover, Superman Science, DC Comics, 2016, Capstone Press, Soaring the Skies, ISBN 9781515709138 - Etsy Denmark
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