water a precious resource - complete chapter | mindmap with explanation | class 7 Published 1 year ago • 13K plays • Length 21:12 Download video MP4 Download video MP3 Similar videos 2:58 byjus learning kit 2:01:45 igcse/o level add maths - kinematics 43:56 additional math igcse 0606 and o levels 4037 ch#16 kinematics. ex 16.1 q.1,2,3. lecture# 230. 39:46 icse class 7 maths chapter 16 fundamental geometrical concepts