Scientific investigation has revealed that the "mozart effect" (the notion that children become smarter from listening to the music of mozart) is:

Explanation:

Mozart effect was given by Dr. Gordon shaw in the early 1990s.  Mozart effect was a theory that listening to classical music will make you smarter. shaw was more interested in brain capacity for spatial reasoning and people used such activities in solving mathematical problems, playing chess, etc.

Mozart effect was given by Dr. Gordon shaw in the early 1990s.  Mozart effect was a theory that listening to classical music will make you smarter.

Explanation:

answer; protectionism fosters competition and keeps price regulated;