Answer:
Standardization sample
Explanation:
Standardization sample is a group of individuals which is pretested of a given scenario or exposure prior to start of any research or study so that at the later stage of the research or study, the results obtained by exposing new sample to the same scenario or exposure can be compared with the results obtained for standardized sample.
Answer: B. an import quota
Explanation:
An import quota is known to be a form of trade restriction which the government of a country imposes on a particular good from another country. The government place or put a limit on the number of imported goods which can be imported into the country over a specified period of time. Thus, the government imposes this in order to encourage local production of goods and services by making the prices of imported goods high and prices of local goods low.
Answer:
Social classes and urbanization would be the answer to this question.
