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Physics, 20.12.2021 03:40 emilio77100
BELDANCA L. A. d. 9. Mon SCHOOL TEST EXAMINATION : Subject : Time- 3 Hrs. 15 Min. Class -X Physical Science fM. ৪০ Group - A 1. সঠিক উত্তরটি নির্বাচন করে পূর্ণবাক্যে লেখাে। 1x5=15 i) মেরুজ্যোতি উৎপন্ন হয় বায়ুমন্ডলের যে স্তরে সেটি হল - (a) ওজোননাস্ফিয়ার {b) আয়নােস্ফিয়ার (c) ট্রোপােপজ (d) মেসােস্ফিয়ার ৫০ নেতি PUBापित कर পক - 3 answer b
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BELDANCA L. A. d. 9. Mon SCHOOL TEST EXAMINATION : Subject : Time- 3 Hrs. 15 Min. Class -X Physical...
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