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32 out of 80 on a Maths test38% on an English testAs we don't know any other information about the English test (e.g. her mark and the total mark) the only way that we can compare the two...

For a reaction to be spontaneous delta G has to be negative according to the equation delta G = delta H - TdeltaS. Therefore if the temperature of a reaction is very high then -TdeltaS will be greater ...

There are two basic forms of imperatives, negative imperatives and positive imperatives, and these can be divided into informal (tú) and formal commands (ustedes/ vosotros).

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I always found that the best way to revise, above anything else, was making sure I knew exactly what was going on in the text I was studying. You can do this by re-reading the text and by checking Spar...

Good paragraphs come in all shapes and sizes, although this doesn't necessarily help you to prepare effectively for an exam, so a little extra guidance may be needed. Here's a good basic guide to writi...