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naooo the QZP guy will. Next question: Describe the process of eutrophication, and assess the suitability of water quality tests used to monitor it.

haha yeah my plans where to finish revision for all subjects this week, leaving me two weeks of nothing but papers and essays.

Indeed :D My teacher said you can incorporate information from other sciences. For instance the need of trace elements can be linked to enzyme activity and how if certain vital elements are missing, enzyme activity can be significantly reduced and as a result, metabolic functioning begins to...

Yeah it bioaccumulates in organisms once consumed and makes it way up the food chain causing harm. Etc

Too tired to answer properly AAS detects metal concentrations up to ppb - The advent of this technology has unravelled information about trace elements - Trace elements are those required by organisms and plants in small amounts for survival - AAS is important to the environment because it...

AAS?

HAHAH okay you guys ask questions so 14ers can answer

Explain why there is a need for constant monitoring of water supplies in catchments.

Loving that judgement :p

Wot

Unlikely cut off will be that high. Okay let's get back to asking each other questions so we can critique them and learn from them. I'll start off - Evaluate ethanol as an alternative source of fuel. - 5 marks.

Yeah 80 will definitely get the 90 but probably would be 91-92

With easy papers come anal marking.

Very true! Chem has been 72-76 generally. Yeah true! ----------------------------- Stop derailing guys

Weird marking criterias for simple question

Does anyone know if one gets marked down for having extra info (info not required)

Nao

Ooooo okay thanks!

Oh yeah of course, I just got a little lazy and didn't explain in words just wrote the equations which show all that! In an exam, of course I would go into detail :)!

It's not molar heat of combustion. You can have heat of combustion on it's own. Plus they're not going to give 3+ marks for a question that requires you to define something Hmm actually nah the last sentence with the oxygen should be in there, my bad :D thanks