Jiehui's answer to NHAB's Secondary 3 Biology question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jiehui
Jiehui's answer
27 answers (A Helpful Person)
1st
Part a and b
NHAB
NHAB
6 years ago
Thank you vey much for helping me! :)