Edexcel IGCSE Biology?

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Hi guys, iv'e been given some homework to do on biology and have got some spaces on the worksheets , and some places where im not sure if ive got the right answer! was wondering if you could help me  , thanks!

- A chemical that removes carbon dioxide from the air

- A liquid that removes chlorophyll from the leaves?

THANKYOUUU!!!!!!!

Posted Sun 4th November, 2012 @ 11:52 by SciTech