Acknowledgements

Mrs Soh- Science teacher and constant guide
Russell- Helping to do the research
Aldon- Helping to do the research
Mr Tan Hoe Teck- Vetter

1 comment:

  1. Mrs Soh- Science teacher and constant guide
    Russell- Helping to do the research
    Aldon- Helping to do the research
    Mr Tan Hoe Teck- Vetter

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