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Photosynthesis is a process by which plants produce energy for its survival. It follows a very simple chemical reaction:carbon dioxide + water (+sunlight) => glucose (energy) + oxygen. Carbon dioxide c...

Stacks and stumps form when waves erode a weakness in a headland using abrasion or attrition. The crack widens until a cave is formed. Waves continue to erode the back of the cave until eventually it push...

i. A circle of radius 1 centred on the origin.ii. No longer restricted to -1 <= x,y <= 1, so its a quarter circle, then it goes off to infinity towards the asymptote x = -y.iii. Restricted to that ...

Edward IV was ultimately successful in his management of finances, as he died solvent. However, this essay must consider Edward’s failure in consolidating power during his first reign as he was deposed in...

(STEP I 2017, Q1i)For the first part, the hint u = x sin(x) + cos(x) is given. It can be seen that this is the denominator once the fraction is multiplied by cos(x) / cos(x). The answer is ln(x sin(x) + c...