Simple Explanation
Storm-surge barriers hazard exposure reduce करके housing, infrastructure and businesses को greater security दे सकती हैं। इससे residents region में stay करने के लिए अधिक confident हो सकते हैं और new investment भी attract हो सकती है। इसलिए चौथा विकल्प सही है। परीक्षा में hazard mitigation को population stability and concentration प्रभावित करने वाले factor के रूप में समझें। / Storm-surge barriers can reduce hazard exposure and provide greater security for housing, infrastructure, and businesses. Residents may feel more confident remaining in the region, and new investment may also be attracted. Therefore, the fourth option is correct. In examinations, hazard mitigation should be understood as a factor influencing population stability and concentration.
