Question

पृष्ट-खनन

18 Mar 2026
Answer :
Word Count : 230
पृष्ठ-खनन वह प्रक्रिया है जिसमें पृथ्वी की सतह के ऊपर या निकट स्थित खनिजों को निकालने के लिए मिट्टी और चट्टानों की ऊपरी परत को हटाया जाता है। यह विधि विशेष रूप से कोयला, लौह अयस्क, बॉक्साइट और _____ __________ _____ ______ _________ ____ ______ ________.
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