If u look at the arc/ catholic/ independant trials they try and sort of guess the hsc questions...they did for 2007 and they actualyl guessed some right...
So basing it on that.. ecosystems at risk is either management of biophysical interactions ... ecomonic enterprise- i just hope its onto be...
the worst has to be...explaining hypotheses that drive plate motion...slab pull ridge push ect... looking through past hsc exams, its needed in alot of detail.