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One of the things that you need to remember about Biology A Level is that you have to memorise the key points of the mark scheme. Something that I consistently struggled with when I was doing past papers ...

An introduction and conclusion are similar and important parts of any history essay. It is crucial though that you do not repeat yourself. An introduction directly addresses the essay question and clearl...

Using the F.O.I.L rule, standing for first, outside, inside, last, we would multiply out the relevant terms. to give: 2x^2+4x+14x+28. Once we have successfully multiplied out the brackets, we would identi...

Firstly, it is important not to get too worried as the answers will always be in the text. By jotting down a few notes for every three to four sentences whilst you read the text, you can easily look back ...

The sino-atrial node (SAN) is located within the wall of the right atrium, and acts like a pacemaker (it instigates the rhythms of the heart). The SAN sends out regular waves of electrical activity along ...