Final answer:
When individuals emigrate out of a country, the country's population decreases.
Step-by-step explanation:
The correct answer is C. The country's population decreases. When individuals emigrate out of a country, they are leaving the country and moving to another, resulting in a decrease in the country's population. This can have various effects on the country, such as a decrease in workforce, tax revenue, and potential economic growth.
Learn more about Effects of emigration on a country's population