part 2 : https://youtu.be/qLlLjy_D1T8 class 6 Science All Lesson Explanation: https://www.youtube.com/playlist?list=PLKKatqgr2bWxc0bg5vDsv1PtnEz1_R8WW …
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part 2 : https://youtu.be/qLlLjy_D1T8 class 6 Science All Lesson Explanation: https://www.youtube.com/playlist?list=PLKKatqgr2bWxc0bg5vDsv1PtnEz1_R8WW …
Source