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Monetary policy is a policy used by the central banks which involves increasing and decreasing the level of interest rates within an economy so as to control the level of inflation. Inflation is the rate ...

The Doppler Shift describes a change in frequency of a wave that an observer sees when moving relative to the source of the waves.

A good example of the Doppler Shift is the change in pitch (how hi...

Let's first have a look at the language and find a phrase or sentence that we think we can analyse. In this extract the phrase, "seeing before me terrible red glare, crossed with thick black bars&quo...

We know that to complete the square we put the equation in the form (ax+b)^2+c=0. So we must do that to our equation.

We will begin by establishing what will be within our squared brackets. As ther...

Checks and Balances, as it is referred to in the American system, is a system of limiting power which allows the branches of government to put a 'check' on one another in order to stop political dominatio...