Which of the following must result in a decrease in population?

Answer choices:
increased death rate and increased immigration
decreased birth rate and increased emigration
increased birth rate and increased immigration
decreased death rate and decreased emigration

Respuesta :

Out of the choices given, the one that must result in a decrease in population is a decreased birth rate and increased emigration. The correct answer is B. 

Answer:

emigration or increase in death rate

Explanation: