MT Moderator's answer to Joy Quek's Primary 5 Science question.

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MT Moderator
Mt Moderator's answer
325 answers (A Helpful Person)
1st
Answered by Jia Xing under the comments.
Joy Quek
Joy Quek
7 years ago
I know option 4 was marked wrong by tuition teacher. Just don't know what is the right answer.