17. One statement is not completely true for mineral conservation. YA) The economic and well planned use of ininerals is the preservation of minerals. (B) We must use inexhaustible energy resources very judiciodsly (C) We should make efforts to make our environment pollution free. (D) Alternate option should be found out of these minerals which are found in less quantity: E.g. - Usage of CNG instead of petrol etc.
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राइट ए नोटिस ऑन विवो फॉर प्रिंसिपल सेंट कॉन्वेंट स्कूल टू इनफॉर्म पैरंट्स अबाउट द चेंज इन स्कूल टाइम एंड स्टूडेंट स्ट्रेस एंड ऑल द रिवर एंड इंक्लूड
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