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What branch of science studies the production and use of energy?

  1. Astronomy

  2. Physics

  3. Chemistry

  4. Biology

The correct answer is: Physics

Physics is the branch of science that studies the production and use of energy. Astronomy deals with the study of celestial objects and phenomena. Chemistry focuses on the composition, structure, properties, and reactions of matter. Biology is the study of living organisms. While energy may play a role in these fields, they do not specifically focus on its production and use like physics does.