Scientists conducted a survey into how giving up smoking affects the risk of developing lung cancer. Which statements are correct?
- A1, 2 and 3
- B1 and 2 only
- C1 and 3 only
- D2 and 3 only
Biology 0610 · IGCSE · Diseases and immunity
Scientists conducted a survey into how giving up smoking affects the risk of developing lung cancer. Which statements are correct?