Hattie5674 Posted February 25, 2015 Report Share Posted February 25, 2015 Hi i was thinking about doing my extended essay on the effect of nitrogen and phosphorous on the growth of algae and cyanobacteria, but through some research I've seen that this is kind of a common principle is this ok to do or should i just start thinking of something else?i really would like to do an experiment but I'm not sure if this is good enough or too common. please help Reply Link to post Share on other sites More sharing options...
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