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What branch of science deals with the behavior of matter and energy at the atomic and subatomic levels?

  1. Astronomy

  2. Physics

  3. Chemistry

  4. Biology

The correct answer is: Chemistry

Chemistry is the correct answer because it specifically focuses on the behavior of matter and energy at the atomic and subatomic levels. Astronomy primarily deals with the study of celestial objects and the universe. Physics has a broader focus on the fundamental nature of matter, energy, space, and time. While it does cover some aspects of atomic and subatomic behavior, it is not specialized in this area. Biology deals with the study of life and living organisms, and does not directly focus on atomic and subatomic behavior.