The population of many industrialized countries is on which path?
rapid population growth
aging populations
moderate population growth due to increased life expectancy
zero population growth

Aging populations

Explanation:

The industrialized countries are facing a big demographic problem in the past few decades. The problem is the aging population. The living conditions in this countries are the best in the world, so they have high life expectancy, and while that is good, a problem occurs because the birthrates are very low. The birthrates are so low that they can not even simply sustain the same number of the population. This situation leads to fewer and fewer young people, and more and more elderly people, so the population pyramid is becoming wider at the top and narrower at the bottom.

answer; /// i believe that the correct answer is (b)///they gained vast amounts of

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