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SAT Section 1, Module 2 Reading And Writing

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As anyone who has watched a bag of instant popcorn expand knows, the tray inside of a microwave oven rotates as the food cooks. This rotation has the interesting effect of increasing the kinetic energy of the food’s polar molecules, as they too must constantly rotate to remain aligned with the field. As they do so, these molecules rub and grind against their neighbors, converting their kinetic energy into intermolecular friction, and thus evolving heat. In fact, the motion of molecules is so directly related to internal heat that one can calculate a material’s exact temperature by averaging the kinetic energy of the atoms and molecules that comprise it. As used in the text, what does the word “evolving” most nearly mean?
Correct Answer:
Generating
Explanation:
Correct answer: Generating

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