CIE iGCSE Co-Ordinated Science B10. Diseases and immunity Exam Style Questions Paper 2 CIE iGCSE Co-Ordinated Science B10. Diseases and immunity Exam Style Questions Paper 2 CIE iGCSE Co-Ordinated Science Paper 2 - All Chapters Question Which row is correct about the components of tobacco smoke and their effects? ▶️Answer/Explanation Ans: D More CIE iGCSE Co-Ordinated Science Paper 2 Questions..