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It is important to use quotations as evidence in your essay, but you also need to use them in a way that effectively backs up your argument, rather than simply inserting them after a statement. A good ...

The Gibbs free energy of a process is a measure of how readily that process will proceed on its own - a negative value means that the reaction is spontaneous, a positive value means that it is not, and...

We start with the following two observations about an object undergoing constant acceleration. First, its acceleration is equal to the change in its velocity over time, hence,

a=(v-u)/t.<...

Sorry in advance for the lack of a diagram, which would have made this explanation so much clearer. Also, the published version of this seems to ignore Unicode formatting, so I will add underscores (_)...

Subject: French/A Level

Q: How do I form the pluperfect and when do I use it? 

A: 

In French, the pluperfect...