Question

according to wirth a city is
a. an area having large population
b. an intiating and controlling centre of economic and political life
c. a large dwelling space
d. an area distinguished by density​

Answer 1

Answer:

Primary population data collection sources: Data collected directly by a researcher or statistician or a government body via sources such as census, sample survey, etc. ... and not directly by a government or a research organization is called secondary population data collection.