[Solved] According to the text, some of the most popular products advertised on the hidden wiki are ______. A) drugs B) organs C) stolen vehicles D) pornography External Stimuli: External stimuli refer to any events or factors outside the body that can influence the behavior or psychological state of an individual. Perceptual Process: This is the sequence of steps that includes the sensing, organizing, and interpreting of information collected through the senses. Trade Dress: The visual appearance or packaging of a product that signifies the source of the product and is legally protected. Colour Code: A system for classifying and communicating colors, often used in design, art, and marketing.