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#upsc#pcs#bpsc#civilserviceexambooks#civilserviceexampreparation#bpscgeography#exampreparation#governmentjobs_की_तैयारी#संसाधन#ncert_geography_class_8_chapter_1#upsc#sansadhno_के_प्रकार#मानव_निर्मित_संसाधन#सत्तापोषी_विकास#संसाधन_संरक्षण#