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    anyone know where I can find this paper where you timed how long it took gelatin blocks to absorb food dye?
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    (Original post by R4INBOW)
    anyone know where I can find this paper where you timed how long it took gelatin blocks to absorb food dye?


    AS level?
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    (Original post by rac1)
    AS level?
    yes
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    http://www.freeexampapers.com/#A Level/Biology/AQA/Specification A

    try there maybe. have you sen if anyone has asked about it before on TSR? i remember doing a practical on it but not sure about exam question. why do you want to find it?
 
 
 
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