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In order to ensure that you can gain the maximum amount of marks for each question in a data-based style question in Paper 1, it is important to include the following key points. Firstly, ensure you descr...

We know that the number of undecayed nuclei, N, is given by N=N₀e^{-lambda t}. From this, by setting N=N₀/2 we know at this point that t= T_0.5 (the half life) and ...

To integrate the volume of revolution first imagine a thin disk around the x-axis which we want to know the volume of: Volume=area x height. The area of a circle is given by pi r^2 and in our case let us ...

These monosyllables are distinguished graphically by the presence of the acute accent on the vowel e. Se is a conjunction used in hypothetical clauses: Se fosse venuto ieri, mi avr...

A volta is the "turning point" in a poem, a moment of dramatic shift in tone or theme of the poem. In a Shakespearean sonnet, it can be found anywhere in the second half of the poem, usually wit...