Explanation: Extinction burst occurs when there is a continuous reaction to a stimulus that initially produced a positive reinforcements but has presently cease to exist (extinction). It can also be expressed as when an unwanted behavior increase rate or intensifies due to absence of an expected happening.
Renaissance<span> began in Italy during the 14th century and reached its height in the 15th. In the 16th and 17th centuries it spread to the rest of </span>Europe<span>.</span>
