পরিবেশের সংকট, উদ্ভিদ ও পরিবেশের সংরক্ষণ part 1|জলবায়ুর পরিবর্তন|WBBSE|class 7|chapter 7

This video is about global warming and green house gases of class 7 Life Science of West Bengal Board of Secondary Education (WBBSE). Here I am trying to teach biology in such a way with diagram that makes study interesting and easy to understand in Bengali language. Please follow the whole video to understand thoroughly. If you like my video please subscribe. This channel is about a biology or bioscience tutorial channel of class 7, 8, 9 and 10 of WBBSE along with teenage tips , study tips, teenage problem solution, time management tips and parenting tips. In one word, this channel is the buddy of teenagers. Thank you so much.