C seems to be right a is totally wrong
The organisms in the Cretaceous period and Permian Period are now extinct.
The emergence and demise of specific living forms are represented by time periods on the geologic time scale that span hundreds of millions of years. A mass extinction is a period of geologic time when a large number of plant and animal species go extinct, sometimes within a few thousand to a few million years.
Life has recovered after each of the five significant mass extinctions that have taken place during the past 500 million years. Because it led to the extinction of the dinosaurs, the mass extinction at the end of the Cretaceous Period is the most well-known. However, the Permian Period's end saw the most extreme one in terms of the number of species destroyed.
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Answer: 190 fish
Explanation: 38 x 5 = 190
The correct answer would be option C, Negative Reinforcement.
A behavioral psychologist would observe that your studying behavior has been conditioned through negative reinforcement.
Explanation:
Negative Reinforcement is a concept that is given by B.F Skinner. He present his theory of Operant Conditioning in which he explained about negative and positive reinforcement, and negative and positive punishment.
According to Skinner, A negative reinforcement is something when a behavior or response is strengthened by removing or avoiding a negative outcome. For example, when a child do the dishes to avoid her mother's nagging.
Similarly, study to avoid bad grades is the example of negative reinforcement.
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La geografía de un país tiene un gran impacto en su cultura. Si un país está muy aislado por la tierra o las masas de agua, puede ser difícil comerciar y / o interactuar con las culturas de otros países. Dependiendo de los recursos disponibles dentro del país, el aislamiento puede ser algo positivo o negativo. Un país cercano a otros países puede verse muy influenciado por el colonialismo o por ser una potencia colonial, y el comercio entre los dos países podría llevar a la interdependencia, o un poder dominante y sumiso.
English: How does the geography of a country affect its culture?
A country’s geography has a large affect on its culture. If a country is greatly isolated by land or water masses, it can be difficult to trade and/or interact with other countries cultures. Depending on the resources available within the country, isolation can be a positive or negative thing. A country in close proximity to other countries can be greatly influenced through colonialism, or by being a colonial power, and trade between the two countries could lead to interdependence, or a dominant and submissive power.
