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Alfieri is the narrator, and the form of this narration is modelled on the chorus in a Greek tragedy. In Greek tragedy, the chorus was a group of performers who commented on the thoughts and actions of th...

It is important to remember the function of each of the ventricles. Remeber that the left ventricle pumps oxygenated blood around the body, and the right ventricle pumps deoxygenated blood to the lungs. I...

Throughout this extract, Bronte uses a series of techniques to present Jane as a strong female character, including a list of rhetorical questions, strong verb choices and exclamations. Bronte also presen...

In a vacuum (ie in the absence of air resistance) all things fall with exactly the same acceleration. The reason for this can be easily seen.

An object, with mass ‘m’, falling in a gravitational fi...

The Doppler effect describes the changes in a wave's frequency (or wavelength) as the source of the wave moves towards/ away from the observer (you). You have almost definitely experienced this phenomenon...