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does anyone kno stuff about research into possible future replacement materials for superphosphates (which replace guano) also, why is superphosphate a suitable replacement? what properties etc? limitations? thanks

whats the best way to prepare for Paper 1: area of study?

hey guys. its the last holidays before the trials and im wondering which is the best way to study for the transformations topic. we've got a great teacher so we have heaps of notes, but mine are very all-over-the-place. what should i do? should i focus on the themes and develop them and find...

does anyone know of any websites that give info on the GBR according to the syllabus? just checking for any helpful sites... i tried HSC online but they have weird case studies there. seems like EVERYONE is doing GBR, so just wondered if anyone had some good info they knew about........and were...

omg guys, serious help needed: "How has Watson and Crick's model of DNA been validated over time?" any links to sites, or general infro would be v. much appreciated

hey guys, just wondering if anyone else was doing Great Barrier Reef and the Bicentennial Park Intertidal Wetlands as their Ecosystems at Risk case studies? let me know :) also, for those of you looking for additional information for essays etc. there are LOTS of good articles about...

ok. if we are doing viticulture as our economic activity and we're doing wyndham estate as our case study, what kind of things do u write for internal and external links? what do u write for that for any case study? is internal links within the single estate, within the global company...

Hey all. Im about to start Year 12 :worried: in a couple of weeks, and with english not being my strongest subject thought id ask for some clarification. what kind of stuff do you need to talk about. coz when we did AoS in Yr 10 it was all about types of power, but then this year with time it...

Hey all. Im about to start Year 12 :worried: in a couple of weeks, and with english not being my strongest subject thought id ask for some clarification. what kind of stuff do you need to talk about. coz when we did AoS in Yr 10 it was all about types of power, but then this year with time it...