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Tectonic hazards are those caused by the movement of tectonic plates on the earth's surface, such as earthquakes and volcanoes. Primary effects occur as a direct result of the movement; for example, groun...

In Shelley's 'Frankenstein', it should be initially established that the opening narrative is in epistolary form: that is to say that written letters form the first few chapters to give the sailor Robert ...

Your introduction should clearly outline the points you will go on to make in the main body of the essay - the idea is to give the marker a good sense of the structure and purpose of your essay. Start wit...

Haemoglobin is a complex metal ion consisting of hexa-coordinated Fe²⁺ ions. With 6 coordinate bonds, haemoglobin forms an octahedral shape where 4 nitrogen ligands form a haem disc, a globin m...

SN1= only 1 species involved in the rate determining step = carbocation intermediate = racemic mixture = not optically active SN2= 2 species involved in the rate determining step =transition state = singl...