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qaz13

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qaz13

plants

What is cohesion-adhesion and what is the cohesion-tension theory? I have looked through books and websites but nothing is clear.
12:53 Fri 05th May 20064 answers, last by shammydodger 15:31 Mon 08th May 2006
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turkey154

please help me!!

i have decided to take biology A level...erm, not what i expected at the moment..eek! anyone who can give me any clue with the structual formulas or diagrams of the following please, please..PLEASE!...
21:56 Sat 10th Sep 20056 answers, last by shammydodger 17:10 Fri 05th May 2006

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