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You will want to begin your essay with an introduction. A possible introduction to this essay may be:The Bloody Chamber and Other Stories and Wide Sargasso Sea ad...

Both the speed and the velocity show us how fast something is moving (the rate at which it changes its position). However, velocity is a vector quantity, which means it also gives us information about the...

1. Think of key words in the questions to help solve it. For example in this question we need to consider density and the fact that the object is a cube. 2) Remember the equation of dens...

The key concept here is that interest rates essentially represent the price of money. The central bank sets the interest rate to loan to high-street banks, and the high-street banks follow this guidance t...

A reaction can only be catalysed (sped up) if an enzyme's active site matches the shape of its substrate molecules- the substrate fits into the active site like a key into a lock. This shape is highly spe...