Tham KY's answer to Aizhen Zhang's Secondary 2 Science question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tham KY
Tham Ky's answer
6052 answers (Tutor Details)
1st
Pls verify...
Aizhen Zhang
Aizhen Zhang
7 years ago
Omg life saver ! Thank you so much !
Tham KY
Tham KY
7 years ago
Pls check, don't copy blindly :)
Aizhen Zhang
Aizhen Zhang
7 years ago
Yes, thank you for the detailed answer :)