Simple Explanation
Rivers drinking water, irrigation, fertile soils और transport routes प्रदान कर सकती थीं। इन सुविधाओं ने agriculture और permanent settlements को support किया, इसलिए कई ancient civilizations river valleys में विकसित हुईं। पहला विकल्प सही है। Extreme dryness या absence of water settlement के विपरीत conditions हैं। परीक्षा में river valleys को historical population concentration और civilization development से जोड़कर समझें। / Rivers could provide drinking water, irrigation, fertile soils, and transport routes. These advantages supported agriculture and permanent settlements, which is why many ancient civilizations developed in river valleys. Therefore, the first option is correct. Extreme dryness or absence of water represents the opposite type of condition. In examinations, connect river valleys with historical population concentration and the development of civilizations.
