13 is the awnser back then
In Pavlov's original experiment, the bell began as a(n) neutral stimulus and by the end became a(n)s; conditioned stimulus.
Bell ringing was first used by Pavlov as a neutral stimulus. A stimulus that triggers an instinctive response is known as an unconditioned stimulus. Food served as the unconditioned stimulus in Pavlov's experiment. A reflexive response to stimuli is referred to as an unconditioned response. In his experiment, the dogs would slobber in response to food, but after numerous presentations of the food combined with the sound of a bell, the dogs would start to slobber in response to the sound alone. The bell's tone served as the conditioned stimulus in this instance.
A neutral stimulus is one that first causes only the attention to be focused, not any particular response. In classical conditioning, the neutral stimulus transforms into a conditioned stimulus when combined with an unconditioned stimulus.
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The answer is: Dennis Meadow's "The Limits to Growth".
The book "Limits to Growth" by Meadow talked about the collapsing of the ecosystem with the increase in population of the human.
The Limits to Growth
- It is a type of report which is given in the year 1972 on 2 March.
- It is available in English language or has 205 pages.
- It is the collapse of the economy in the 21 century.
- It tells about the study of computer simulation which gave us information about the resources needed for possible economic growth and population growth.
- In this study, the World3 computer model is used.
- It stimulates the results of interaction between the earth and human systems.
- It was based on the work of Jay Forrester of MIT.
To learn more about Limits to Growth, visit - brainly.com/question/7382159
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To go eat dirt with some friends