The scientific study of crime. and criminal behavior and law enforcement
Answer:
A Command Economy is a system where the government , rather than the free market , determines what goods should be produced , how much should be produced , and the price at which the goods are offered for sale . It also determines investments and incomes . The Command Economy is a key feature of any communist society .
Explanation:
Answer:
<h2>The Tri-Chromtic theory</h2>
Explanation:
The Tri-chromatic theory is based on the assumption that the three classes of cone receptors sub serve the colour vision. This theory dates back to 18th century and was popular during the first half of 20th century and was often used against the opponent processes theory. It was also known as Young-Helmholtz theory of colour vision, according to this theory there are three receptors in the retina that are responsible for the perception of colour. These receptors have different sensitivity level. Blues ones are the most sensitive and the red ones the least. But to perceive the colour needs the interaction between at least two photo receptors. Then the three colours are combined to form any colour in the visible spectrum.
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Nonverbal communication between individuals is correspondence through sending and getting silent signs. It incorporates the utilization of visual signals, for example, non-verbal communication, distance and physical conditions/appearance, of voice and of touch.
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Hoover built the FBI into a larger crime-fighting agency than it was at its inception and instituted a number of modernizations to police technology, such as a centralized fingerprint file and forensic laboratories.
