Hello!
The experiment this question refers to is Pavlov's Dogs.
Ivan Pavlov was a russian physiologist who is most known for his work with classical conditioning.
Answer: The answer is true. However this may be wrong depending on the question, as this question is not complete. So, what is the full question?
Hey!
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The map that is given gives you a hint to what the answer is. On the legend it states the hint, "people per km²". This tells us that the map shows the population density in South America. A population density map shows which areas have the most people to least people.
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Hope This Helped! Good Luck!
Whatt??? I don’t get it sir