Simple Explanation
Fertile irrigated plains abundant water और productive soils के कारण intensive agriculture को support कर सकते हैं। Food production और agricultural livelihoods बड़ी population को sustain कर सकती हैं। इसलिए चौथा विकल्प सही है। Permanent ice, dry deserts और steep rocky mountains agriculture के लिए generally difficult होते हैं। परीक्षा में fertile irrigated plains को dense rural population से जोड़कर समझना उपयोगी है। / Fertile irrigated plains can support intensive agriculture because of abundant water and productive soils. Food production and agricultural livelihoods can sustain large populations. Therefore, the fourth option is correct. Permanent ice fields, dry deserts, and steep rocky mountains are generally difficult environments for farming. In examinations, connect fertile irrigated plains with dense rural populations.
