Answer:
c. Zero population growth theory
Explanation:
Zero population growth theory -
It is the condition , where in certain area of the country the population of the area does not increase or decrease , is referred to as a Zero population growth.
i.e. ,
The number of people dying in a particular time period , equalizes with the number of babies born.
Hence, from the question,
The correct answer from the given options is Zero population growth theory.