Simple Explanation
Polluted drinking water health risks बढ़ा सकता है और safe water की cost बढ़ा सकता है। Families cleaner and safer water वाले areas की ओर move करना prefer कर सकती हैं। इसलिए settlement attractiveness घट सकती है और चौथा विकल्प सही है। Population distribution केवल water quantity से नहीं, water quality से भी प्रभावित होती है। परीक्षा में clean water को basic settlement requirement समझें। / Polluted drinking water can increase health risks and raise the cost of obtaining safe water. Families may prefer to move toward areas with cleaner and safer supplies. Settlement attractiveness may therefore decline, making the fourth option correct. Population distribution is influenced not only by water quantity but also by water quality. In examinations, understand clean water as a basic settlement requirement.
