<span>This is the major part of operant conditioning. When a behavior is repeated because of a positive (or negative) reinforcement, conditioning is taking place. Positive reinforcements give a reward or some kind of response for continuing a behavior, while negative reinforcements lower the intensity or remove a punishment for continuing the behavior.</span>
Based on the available information and records, the event that happened recently is "<u>the number of snow leopards in Sailugemsky National Park reached 15."</u>
<h3>The available events and the year of occurrence are the following:</h3>
- Mergen Markov returned home to the village of Argut - It occurred in the year 2000
- The Soviet Union collapsed and poaching began to increase in Russia - It occurred in 1991
- Sailugemsky National Park was established as a protected area for snow leopards - it occurred in 2010
- The number of snow leopards in Sailugemsky National Park reached 15 - It occurred in 2020
Hence, in this case, it is concluded that the correct answer is option D.
Learn more about popular events here: brainly.com/question/24200084
Answer:
Inca
Explanation:
Inca society was based on a strictly organized class structure. There were three broad classes: The Emperor and his immediate family, nobles, and commoners. Throughout Inca society, people who were “Inca by blood” – those whose families were originally from Cuzco – held higher status than non-Incas.
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