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This is a common topic to come up in exams, often worth many marks. Eutrophication is an ecological process which often occurs when humans are irresponsible with waste products that can end up in bodies o...

The sine rule can be used when we either know:a) the length of two sides A and B and an angle that is not the corner where A and B meetb) two angles and the length of one side
The cosine rule can be ...

Iodine and chlorine are both in group 7 of the periodic table, iodine is further down than chlorine. When travelling down the periodic table the size of the atom increases due to the amount of electrons t...

Sources are often things that students find hard, however there is a trick to it. There are certain questions you have to ask yourself about the source. These are: Content, context, provenance, purpose, t...

The theme of collective responsibility is key to understanding the whole text of An Inspector Calls. In order to tackle this question you must address the symbolism and roles played by Eva Smith,...