fukkk, for that similar triangles one i proved the two angles were similar, but in my answer i wrote by AAA. Am i gonna lose a mark for not writing that the other angle was similar by angle sum of triangle? isnt it obvious though? u reckon theyll be tough markers?
7aii)For this, use results from (i), i got product of roots=1 and sum of roots=3, substitute from product of roots, beta=1/alpha into sum of roots, you get alpha + 1/alpha=3
lymph system is involved when their is already an infection. It cant be B (for obvious reasons), nor C, (inflammation happens when there is an infection), thus by elimination it is A.
well, the lemon biscuits were suited to their 'environment', they 'camoflagued' or wtver, thats why the 'prey' didnt eat them. Maybe u over-thought it.
i did cataracts. Cause it said 'demonstrate', like i thought it was logical to draw diagrams to 'demonstrate' how these 'biological problems' were corrected..but yea, if u drew i diagram or explained how they corrected it i think its all good.
For the 8 marker, it said 'demonstrate', would it have been alright if i described the conditions, e.g. myopia and hyperopia, then drew a diagram to 'demonstrate' how the artificial lens (glasses), either concave or convex, correct the condition?