- Messages
- 343
- Reaction score
- 220
- Points
- 53
can be many reasons actuallyi want help with this question. can anyone please explain this question to me?
Q no 4: part (b) nov 12 ppr
http://papers.xtremepapers.com/CIE/Cambridge International O Level/Biology (5090)/5090_w12_qp_22.pdf
thanks in advance