Variable because different place have different prices
Answer: Pavlov, Watson and Skinner
Explanation: Pavlov is a famous Behavioral psychologist who tried to show through his experiment that Dogs can give a conditioned response to particular set of stimuli such as the sounding of Bell.
Watson is a Behavioral psychologist who believes that only Behaviors that can be observed, recorded and measured are of value in the study of human Behavior.
Skinner also known as the Father of Operant conditioning states that Individual's response to stimuli in an environment is the main determinant of Behavior.
The movement of the tectonic plates results in the formation of earthquakes, mountain formations and volcanos. Plate movements are thought to be caused by the movement of convection currents of liquid and semi liquid magma in the mantle. The magma is what forms volcanos
<span>There are 27 total, but here is a slightly summarized version of the Congress'expressed powers: The Power to tax and spend for the defense and general welfare of the U.S. Borrow money. Regulate commerce with other nations and between the states.</span>
The Gobi desert sits on a high, cold desert atop a high plateau