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Firstly, make sure you agree that a quadratic equation is an equation of the form y = ax² + bx + c where a,b,c ar...

In the case of a natural disaster, there will be a whole range of effects. The simplest way to distinguish between these effects is to categorise them as primary or secondary. A primary effect is one t...

The Euthyphro Dilemma, which asks whether what God commands is good because God commands it or because the things God wills are necessarily good and God is adhering to this standard, might raise some i...

Exocytosis is the process by which a cell secretes large substances (such as digestive enzymes or hormones) that have been produced inside the cell.

Substances produced inside the cell are...

It is all to do with the movement of ions in and out of the neurone cell, which changes the potential difference accross the cell's membrane. 

- In a neurone's resting state, the inside o...