Simple Explanation
South Asia के कई plains major river systems से जुड़े हैं और fertile alluvial soils तथा water availability प्रदान करते हैं। Agriculture और long-established settlements ने इन क्षेत्रों में large population को support किया है। इसलिए दूसरा विकल्प सही है। Extreme altitude और permanent ice densely populated plains की features नहीं हैं। परीक्षा में South Asian plains को agriculture and river systems से जोड़कर population distribution समझें। / Many plains of South Asia are associated with major river systems and provide fertile alluvial soils and water availability. Agriculture and long-established settlements have supported large populations in these areas. Therefore, the second option is correct. Extreme altitude and permanent ice are not features of densely populated plains. In examinations, connect South Asian plains with agriculture and river systems.
