AJB Class 7 Science Solution In Details
Lesson 1 ─ উদ্ভিদৰ পৰিপুষ্টি
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Lesson 2 ─ শৰীৰত খাদ্যৰ ব্যৱহাৰ
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Lesson 3 ─ শ্বাস-প্ৰশ্বাস
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Lesson 4 ─ প্ৰাণী আৰু উদ্ভিদৰ দ্ৰৱ্যৰ পৰিবহণ
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Lesson 5 ─ উদ্ভিদৰ প্ৰজনন আৰু বংশবিস্তাৰ
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Lesson 6 ─ আমাৰ কাপোৰ
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Lesson 7 ─ তাপ আৰু উষ্ণতা
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Lesson 8 ─ এছিড ক্ষাৰক আৰু লৱন
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Lesson 9 ─ ভৌতিক আৰু ৰাসায়নিক পৰিৱৰ্তন
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Lesson 10 ─ মাটি
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Lesson 11 ─ গতি আৰু সময়
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Lesson 12 ─ বিদ্যুত
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Lesson 13 ─ পোহৰ
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Lesson 14 ─ বতাহ ধুমুহা আৰু ঘূৰ্ণীবতাহ
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Lesson 15 ─ জলবায়ু আৰু প্ৰাণীৰ অভিযোজন
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Lesson 16 ─ পানী এক অমূল্য সম্পদ
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Lesson 17 ─ অৰণ্যজাত সামগ্ৰী
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Lesson 18 ─ বৰ্জিত পানীৰ ব্যৱস্থাপনা
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