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Diffusion is a passive process that involves the movement of ions from an area of high concentration to an area of low concentration through a semi permeable membrane until an equilibrium has been reached...

Taking the fear from essay questionsAnswering essay questions in Geography is an area students often struggle with; most students are used to GCSE style, maximum 20 mark essays. However, students s...

For a question like this we should begin by defining what disembodied existence is - the idea that the soul leaves the body and continues to exist independently of the body after death. Possibly consider ...

For this question, you are required - according to the mark scheme - to give two separate factors that explain why Stalin became leader, demonstrating specific subject knowledge for each factor. The two f...

There are a few ways of solving these simultaneous equations, but most of them involve substitution. Perhaps the most intuitive substitution to make is the second equation (y=3x+5) into the first one (xy=...