You want to learn more about the food preferences of those in an entire city. the best way to gather this information is through a Survey.
This is further explained below.
<h3>What is
Survey?</h3>
Generally, In the field of social science study involving human beings, a survey is a set of questions designed to elicit certain information from a specified population of respondents.
In addition to being carried out in person and over the phone, in the mail, and online, surveys may also be carried out on street corners and in shopping malls.
In conclusion, You are interested in gaining additional knowledge about the dietary habits of a whole city's population. A survey is the most effective method for collecting information like this.
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brainly.com/question/17373064
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<span>placebo effect is inert treatment or substance known effects due to person's expectation. If a person expects a pill to do something then it is possible that the body's own chemistry can cause effects similar to meditation might have caused.</span>
Answer:
just doing this for points sorry
Explanation: