In text book there are different This question has not been answered yet! Don't worry! You can check out similar questions with solutions below ... is divided ? In NCERT text book there are 9 parts... ... my school's science text book there is a chapter-"CHEMICAL ... IN OUR TEXT BOOK THERE IS AN DIAGRAM OF AIRSACS WITH ... IN MY PHYSICS TEXT BOOK THERE IS A CHAPTER CALLED " ... hi In our science text book there are two lessons that are ...