Simple Explanation
City centers में housing, apartments, jobs and services limited land पर concentrated हो सकते हैं। यदि large number of residents comparatively small area में रहते हैं तो persons per unit area high होते हैं और density बढ़ती है। इसलिए पहला विकल्प सही है। High density का मुख्य numerical कारण population-to-area ratio है, rainfall नहीं। परीक्षा में urban concentration को density concept से जोड़ें। / City centers may contain concentrated housing, apartments, jobs, and services within limited land. If a large number of residents live within a comparatively small area, persons per unit area are high and density increases. Therefore, the first option is correct. The main numerical reason for high density is the population-to-area ratio, not rainfall. In examinations, connect urban concentration with the density concept.
