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Hey does anyone have any information a practical from 'Maintaining a Balance' The experiment is investigating the effect of dissolved carbon dioxide on the pH of water. Any sources you could recommend or suggested method would be great, thanks

I have to do an assignment on the health needs of Older People in Australia, does anyone know of any good sources to help me??

Does anyone have any information on the experiment testing the sulfate content in lawn fertiliser?? I have to design an experiment and some of the apparatus and methods are confusing me.