CIVILIZATION
INDUS VALLEY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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how many reasons of decline were there
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5
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91
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uncountable
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8
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Explanation:
Detailed explanation-1: -A reduction over time in a region’s population can be caused by sudden adverse events such as outbursts of infectious disease, famine, and war or by long-term trends, for example, sub-replacement fertility, persistently low birth rates, high mortality rates, and continued emigration.
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