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What is eutrophication, and how does it happen?

This is a common topic to come up in exams, often worth many marks. Eutrophication is an ecological process which often occurs when humans are irresponsible with waste products that can end up in bodies of w...
JG
Answered by Jake G. • Biology tutor
3608 Views

When should you use the sine rule and when should you use the cosine rule?

The sine rule can be used when we either know:a) the length of two sides A and B and an angle that is not the corner where A and B meetb) two angles and the length of one side The cosine rule can be used whe...
JB
Answered by Joseph B. • Maths tutor
3569 Views

Why does iodine have a higher boiling point than chlorine?

Iodine and chlorine are both in group 7 of the periodic table, iodine is further down than chlorine. When travelling down the periodic table the size of the atom increases due to the amount of electrons that...
AC
Answered by Abigail C. • Chemistry tutor
3648 Views

How do I address sources?

Sources are often things that students find hard, however there is a trick to it. There are certain questions you have to ask yourself about the source. These are: Content, context, provenance, purpose, tone...
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Answered by Gabriella D. • History tutor
3192 Views

Understanding Shakespeare is difficult, how do I get around the complex language in order to analyse the text?

At first it can be overwhelming to look at Shakespeare, I personally believe the best way to understand Shakespeare is to see it performed. This is not saying that all you need to do is watch a Shakespearean...
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Answered by Gabriella D. • English tutor
1515 Views