If a country had 4 million people in 2000 and 3.5 million people in 2010, which

of the following factors must have contributed to the population change?

O

A. A decrease in the crude death rate

B. An increase in the crude birthrate

O

C. An increase in the average lifespan

D. An increase in the infant mortality rate

Question

Zachariah Noble

History

8 February, 04:23

If a country had 4 million people in 2000 and 3.5 million people in 2010, which

of the following factors must have contributed to the population change?

O

A. A decrease in the crude death rate

B. An increase in the crude birthrate

O

C. An increase in the average lifespan

D. An increase in the infant mortality rate

+4

Answers (2)

Know the Answer?

Matthias Ramsey · Answer 1

Answer: The correct answer is D. An increase in the infant mortality rate

Explanation:

APEX

Brennen Solis · Answer 2

Option C, An increase in average lifespan

Explanation:

The decrease in the population of humans is attributed to events like long-term population trends such as reproduction under replacement, urban decay, crime, disease or other disasters in a population of humans.

A decrease is caused by migration in human populations.

The average lifespan in the USA has dropped for the second time in 3 years, as shown by three recent CDC studies. drug overdose deaths and self killing caused much of the downturn, with even more than 70,000 reported deaths in 2017.