L 5 Radio activity transmutation Alpha beta and gamma rays

[@ADGG-s5f]

Great sir ❤❤

[@NajeebKhan-w1c]

Sir why you are not take lecture about biology and human welfare I am tired to seee your vedio about this chapter but not see your lec so add this chapter sir please I like and I see only your chapter❤❤❤

[@MukeshKumar-og1fg]

❤❤3

[@Akatsuki_007_]

Sir use separate mic