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Biology 17 Online
OpenStudy (luckycoins888):

fan + medal for help!! Convection cells in the earth's mantle require a source of energy. What is that source of energy? A. Mechanical energy caused by changes in pressure in the earth's interior. B. Nuclear energy caused by decay of radioactive elements in the earth's interior. C. Heat energy caused by changes in temperature in the earth's interior. D. Solar energy caused by differences in density in the earth's interior.

eclipsedstar (eclipsedstar):

C. Heat energy. Source: Fundamentals section in the link. http://www.mantleplumes.org/Convection.html

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