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Daily Practice Question

40. निम्न में से कौन पर्यावरण मित्र व्यवहार कहलाते हैं ?
बाजार जाते समय सामान के लिए कपड़े का थैला ले जाना ।
कार्य समाप्त हो जाने पर लाइट तथा बल्च पंखे का स्विच बंद करना ।
माँ द्वारा स्कूटर से विद्यालय छोड़ने के बजाय स्वयं विद्यालय तक पैदल जाना ।
उपर्युक्त सभी ।

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