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How to get the most out of primary sources?

Primary sources are a key part of the historians work and will provide important points that will strengthen your argument. However primary sources are often difficult to analyse; it is impossible to not see...
NW
Answered by Neil W. • History tutor
4165 Views

What is the grammatical aspect in Greek for?

The grammatical aspect indicates whether an action is/was completed or not. The perfective aspect (as in aorist, aorist infinitives) shows that the action was completed, often that it was a successful or one...
KJ
4797 Views

How to gain an inverse function

Set f(x) = y. Then rearrange your equation to find x on it's own as some function of y. If you have a x term on both the top and bottom of a fraction then you will have to multiply the whole equation through...
WS
Answered by William S. • Maths tutor
5676 Views

What is the difference between natural selection and evolution?

Evolution is a gradual change in the inherited traits of a population over many generations. Natural selection is a mechanism where the members of a population best suited to their environment have the best ...
DA
Answered by Dara A. • Biology tutor
83103 Views

What is a mole?

The concept of a mole can be difficult to get your head around. We are used to giving some numbers names, for example 1 million instead of 1,000,000. And we can use a million as a unit, 3 million, 60 million...
DA
Answered by Dara A. • Chemistry tutor
5431 Views