Last year had a 7 or 8 marker about preventing rabies wit vaccines or whatever so I doubt they would go the vaccine route again. Could definitely be something about epidemiology or quarantine measures for covid though
Also for this one the answer is A, but can't C also be an advantage as mating rituals allow an organism to be more selective of mates and choose a partner with desiable qualities?
Thats what I was thinking, but I've seen some textbooks say hypothalamus, and the question in the 2019 paper on negative feedback loops also implies its the hypothalamus
not rounding when the question asks
forgetting f''(x) being positive doesnt mean the stat pt is maximum (its concave up and minimum)
when solving for x in trig within a domain, forgetting to change the domain to whatever is inside the trig
subtracting the negative part of an integral
for...
I think for Maths Advanced we just have a booklet which has the questions with lines beneath, and we write answers in the same booklet. For math extension there is a separate booklet for questions and for writing answers
Im sure theyll give you separate booklets for extra paper like they did...