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September 4, 2015

Homework Help: biology

Posted by Anonymous on Monday, June 1, 2009 at 11:25am.

I have to do a presentation for biology on 'recycling & treatment of water'

I am having difficulty with what information is important.

The presentation is only supposed to last 2-3 minutes (which is part of the difficulty as I only have a short amount of time)

Any tips/advice
Any suggestions for what to choose to say
Any help at all - Thanks!

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