What are the 7 branches of physics

Mechanics. Motion and its causes; interactions between objects.

Thermodynamics. Heat and temperature.

Vibrations and Waves Phenomena. Specific types of repetitive motions- springs, pendulums, sound.

Optics. Light (including mirrors), lenses, colors.

Electromagnetism.

Relativity.

Quantum Mechanics.

Explanation:

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32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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