Which pairing of name and property of light is correct?

Spouses buffer each other against the problems of old age

Indicate whether this statement is true or false.

Randi is a practitioner of crystal healing: the use of different crystals to treat medical disorders ranging from headaches to cancer

Crystal healers like Randi use scientific terminology (e.g., energy, vibrations, etc.) when explaining the technique to patients, but do not use the scientific method to develop or test their treatments. This makes crystal healing a A) metascience. B) pseudoscience. C) episcience. D) protoscience.