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The intensity of light is greater on a sunny day, therefore the rate of photosynthesis in the pondweed is greater during these days. Hence, more oxygen is produced which thereby increases the bouyancy (ma...

One of the biggest steps up from GCSE to A-Level is the way in which you structure your essays. A-Level examiners expect you to be able to lay out coherent arguments in order to achieve the top grades, as...

When you factorise an equation, the final form should look like this: (x+a)(a+b)=0 in order to work out the possible value(s) for x. As a result, working backwards, we expand the already factorised final ...

A sensible approach would be to offer around 30% of your personal statement to extra-curricular activities. However, this answer varies depending on which universities you are applying to. For example, Ox...

Income elasticity of demand (YED) is the relationship between a change in quantity demanded for a good and the change in real income. some goods are normal and some inferior. Normal means a rise in income...