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What is the difference between a variable and an identifier?

A variable is a memory location given a name and a data type. Once a variable has been declared its contents may be modified using its name. An identifier is the name you give a variable. (In the case of Vis...
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Answered by Chris D. • Computing tutor
8901 Views

How should I begin to analyse poetry or prose?

Many students simply get stuck on the starting blocks and after a little guidance can fly with their analysis. I can recommend excellent reading not on the syllabus, titles such as the poetry toolkit or the ...
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Answered by Richard A. • English tutor
3317 Views

What is coronary heart disease?

Coronary heart disease is an incredibly common disease. It involves the coronary arteries: the arteries which provide oxygenated blood to the heart tissue itself to keep it functioning. Remember that most ar...
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Answered by Simon J. • Biology tutor
6995 Views

What is a myocardial infarction?

To answer this we can start by breaking down the phrase itself. So, 'myo' always means muscle. 'Cardial' means of the heart. So myocardial infarction means infarction of the heart muscle. So what is infarcti...
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Answered by Simon J. • Biology tutor
7177 Views

How can I include IDAs in my essay questions?

IDAs are issues, debates and approaches in psychology. A good way to include them is to begin a paragraph by discussing the IDA that links appropriately to your question/subject. Then you can bring in a stud...
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Answered by Emily G. • Psychology tutor
4972 Views