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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the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.