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The exchange rate is defined as the value of one currency against another. Aggregate demand (AD) comprises of consumption, government spending, investment and exports minus imports. A fall in the value of a ...

GSCE examiners want to see a progression of thought and evidence of argument within these questions. Therefore the best way to tackle this would be to use connective words such as 'the fact that'.......'mean...

An Oxbow lake is a middle-course feature of a river which is caused water eroding the corner of a meander, resulting in an isolated corner containing a body of water. This happens as the velocity of the wate...

Notice that the square root of 8 can be simplified: 4 / (sqrt(4) * sqrt(2) + 4) = 4 / (2 * sqrt(2) + 4) Divide top and bottom of the fraction by two: 2 / (sqrt(2) + 2) Rationalise the denominator: (2 / (sqrt...

It's important to make sure you're hitting all the relevant assesment obectives in every paragraph in order to reach those top marks. For essays I always find the formula 'Point, Evidence, Analysis, Link' wo...