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The length of the longer answer essay questions you have to write will vary between exam boards but some key things to consider are relevant to all of them which are useful for most essay answers in geogr...

Fisrt you would use the chemical shift data of the main peaks, this gives you an idea of the chemical environment of the hydrogen atom that caused this peak. A more downfield signal (higher chemical shift...

It's really important to think about what key areas the examiner wants you to focus on. For example, you need to demonstrate detailed critical analysis of how language, form and the structure of the play ...

A geometric series S always follows the same pattern: S = a + ar + ar^2 + ar^3 ... Here i've labelled the first term a, and the common ratio r. The next term in a geometric series is always the preceding ...

(a) There is a quadratic equation which should e solved using the delta andthe roots formulas.

delta=a²-4ab

delta=144-4(k+1)(k-4)

delta=-4k²+12k+160

Becau...