B) Healing crystals are NOT an example of pseudoscience.
What is pseudoscience in simple words?
Pseudoscience is a proposition, a finding, or a device of explanation that is supplied as technological know-how however that lacks the rigor vital to the scientific method. Pseudoscience can also be the end result of research this is based on defective premises, a flawed experimental design, or terrible data.
Psychology is a science as it takes the scientific technique to know how human behavior. Pseudoscience refers to ideals and sports that are claimed to be medical but lack one or extra of the three capabilities of technology.
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