Question

Which of the following most directly played a role in the human population growth of the 20th century?

Answer 1

Human itself, but if you had given options it would be more easy to answer also give brief to your answer. Thankyou

Answer 2

There is increase in medical sector, lack of sexual education, and carelessness of people.

This is consider as better growth in human population and begin to carry out at 20th century.

Moreover, the human itself but it depends on option and it would be easier to answer.

It turns to give a smooth connection and held in human growth.