Simple Explanation
High-density population reliable water supply पर heavily dependent होती है। Persistent shortages households and businesses के लिए daily life कठिन बना सकते हैं। यदि alternative locations better services दें तो कुछ residents relocate कर सकते हैं। इसलिए चौथा विकल्प सही है। परीक्षा में infrastructure failure को population redistribution के possible long-term factor के रूप में समझें। / High-density populations depend heavily on reliable water supply. Persistent shortages can make daily life difficult for households and businesses. If alternative locations provide better services, some residents may relocate. Therefore, the fourth option is correct. In examinations, infrastructure failure should be understood as a possible long-term factor in population redistribution.
