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A reflex action occurs very quickly, and does not involve the brain. The stimulus (e.g. a flame) is sensed by the receptor (the skin). The sensory neurone attached to the receptor sends an impulse to the ...

A codified constitution is a single, written document that underpins the nature and structure of governance within a state. Codifed constitutions will usually outline the powers of different branches of g...

There are 3 types of regular verb in French; verbs ending in -er, verbs ending in -ir, and verbs ending in -re. They each have their own...

Firstly, a Green Paper, a consultation document, is published, which allows interested parties to comment and change the government’s proposal. Following the Green Paper, the government will publish a Whi...

I will run through an example of how to solve a set of simultaneous equations. In simultaneous equations you are given two or more algebraic equations and you need to solve them for the variables, usually...