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So, very similar to GCSE, the essay should be split into three main sections: introduction, body and conclusion. When answering the question, the number one key is to engage with, and analyse the question. T...

The most important thing to do before you even start writing your essay is to plan out what you intend to say. Organise the ideas you wish to express into sections with a clear introduction and conclusion ei...

We begin by discussing what a Production Possibilities Frontier (PPF) curve is. It is a curve that shows the various combinations of two goods (say cycles and dictionaries) that a firm can produce with given...

To expand the brackets you need to multiply each item inside with the number on the outside. The first bracket is expanded as follows: 5 x = 5x, 5 3 = 15, therefore 5x + 15. There is a minus sign in front of...

In the Sun the main fusion process is the fusion of hydrogen nuclei to form helium nuclei. Any two hydrogen nuclei repel each other as they are both positively charged, for the fusion to occur the two nuclei...