Wednesday 3 July 2013

Comment ur reseach questions and topics below (total must have 4)


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2 comments:

  1. Roger Ong (王嘉慷）4 Jul 2013, 21:38:00

    1) Effects of pollutants on plants
    2) Effects of different concentration of salt on plants
    3) Factors affecting the speed of a aeroplane.
    4) Factors affecting the amount of germs and bacteria washed off after laundry is washed.

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  2. SoLaR :[]5 Jul 2013, 10:05:00

    1)Effect of Sodium Chloride on plants
    2)Effect of Chlorine on plants
    3)Effects of making a robotic hand using pneumatics
    4)Effects of multicolored lights on the growth of plants

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