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Inflation is defined as a persistent increase in the average price within a country, in other words a decrease in the purchasing power of a currency. There are two main groups that the reasons for inflati...

This is an example of electrophilic addition.(It's easier to explain with the mechanism drawn) The mechanism proceeds by electrophilic attack of the Hydrogen in HCl originating from the double bond in 3-m...

Firstly, think of what you already know about the structure of the lungs and how that makes them so effective at their job. (Elasticity, large surface area for gas exchange, high gradient and short diffus...

There are lots of techniques to look out for when analysing an unseen poem and this can appear to be quite daunting. However, the best way to start is at the very beginning. Firstly, what does the title t...

In order to find the gradient of a tangent to the curve C we must differentiate our equation for C.dy/dx= 9x²-11To find the gradient of a tangent at a specific point P we substitute the coordin...