Top answers


How do I evaluate a source?

First rule of sources: don't simply claim bias. Bias means nothing without explanation and shouldn't be assumed, if you're going to dismiss a source because of this, you need an explanation such as 'this sou...
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Answered by Emily H. • History tutor
4723 Views

What role does the respiratory system play in humans?

The respiratory system is a collection of organs working together in order to oxygenate the blood and remove the waste product carbon dioxide. The respiratory system uses a method of gaseous exchange in the ...
KM
Answered by Kelsey M. • Biology tutor
4059 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
4806 Views

Capitalisation: Countries and nationalities

While we always capitalise the first letter of all countries and nationalities in written English, the same cannot be said for written French. While in French, countries are also always capitalised, whether ...
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Answered by Vivienne L. • French tutor
26151 Views

How do I expand a factorised equation?

Firstly put the equation into the the form (x+a)(x+b) this will make things easier later on. Therefore, an equation such as (x+1) 2 would become (x+1)(x+1) Next expand the brackets. To do this simply multipl...
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Answered by Emily G. • Maths tutor
3991 Views