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All quadratic equations have the form ax² + bx + c.

If you take the equation: 2x² + 4x + 2

In this example a=2, b=3 and c=2

In order to factorise wha...

when structuring your essay it is at first Key to what I call, "figure the riddle" in the question, this is perhaps more important at A-level than it is at GCSE but it is important none the less...

Information is data that has been processed. So, it is data with a meaning.

Enzymes are protein molecules responsible for the catalysis-the increase in the rate of a reaction- of reactions taking place within our body. They are able to catalyse many reactions by their high specif...

This style of question is common and is often worth around 6 marks. You should address each of ions , water and sugar seperately to ensure that you get maximum marks.

Ions enter the plant via diffu...