Answer:
The decline in Japan's fertility rate has been attributed to several factors such as changing lifestyles, people marrying later in life or not marrying at all, and the economic insecurity of younger generation. Increasing life expectancy is another driving force behind the aging trend.
-(thediplomat)
That was the system that became known as 'Apartheid'.
The correct answer is lake titicaca
Differences between Indus, Nile, and Yellow river valley civilizations are (please refer the attached image)
Learn more about the Indus, Nile, and Yellow valley civilizations here:
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