Top answers

How do I revise for my exam?

Don’t be afraid to use all the resources. Websites like sparknotes can be really good for getting your head around the main plot of the text, but make sure you don’t use this as a substitute for actually rea...
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Answered by James S. • English tutor
2744 Views

How do I plan my answer to an essay question?

There's no clear cut way to structure an English essay, so it's important that you take a little time when approaching a new question to draw up a short plan before attempting to answer it. The important thi...
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Answered by James S. • English tutor
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What is the Doppler effect?

The Doppler effect is the change in frequency that occurs when a source is moving relative to an observer. If the source moves away from the observer, the wavelength will be increased and therefore the frequ...
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Answered by Alex M. • Physics tutor
4006 Views

Describe what each point of an ECG represents.

P wave: atrial depolarisation and subsequent contraction. QRS complex: Ventricular depolarisation and subsequent contraction. Q wave is negative due to left to right depolarisation of ventricular septum. Atr...
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Answered by Humza C. • Biology tutor
7419 Views

What is meant by the term homologous series?

A series of compounds with the same functional group, having similar chemcial properties and reactions.
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Answered by Humza C. • Chemistry tutor
7648 Views