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When you grind wheat to make flour, the flour comes out very warm--you can actually scorch the flour if you grind too quickly.Why does the temperature rise?A. The heat is released from the wheat in the process of grinding.B. The heat is transferred to the wheat while grinding.C. The work done on the wheat while grinding is converted to a rise in its thermal energy.D. The work done by the wheat while grinding is converted to a rise in its thermal energy.

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