The study of human populations is called Demography. Sorry it’s late.
Contraction is the answer
Answer:
In agriculture specialization, farmers produce one crop instead of so many crops. In other words, the farmers, adopt specialized farming. By doing so they avail all those benefits which are accrued to the big businesses. Hence the goods are produced on a large scale.
It is 3, just because he doesn’t have it, doesn’t mean he isn’t a carrier for it