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The process begins when excess fertiliser, which has been used for farming, is flushed into rivers or lakes by rainwater. The fertiliser then provides nutrients such as nitrates which allow plant life in the...

'Visible history' is a difficult term to unpack. For the most part, this is because of the term 'history' and the various ways it is interpreted as a concept and as something that we engage with. What is vis...

History GCSE is mainly about demonstrating a depth and breadth of knowledge of the relevant factors relating to the question. To move up to A Level standard work you should aim to show how these factors - fo...

To differentiate x x , we first let y = x x . ( Note that x x is not in the form x c where c is a constant or a x where a is a constant so the usual differentiation formulas cannot be used ). The trick here ...

First and foremost, try to get a good range of grammatical techniques when writing the essay for example subordinating conjunctions or adjectival nouns. Demonstrating your knowledge of these techniques shoul...