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Primarily, we should attempt to make either the x or y values of either equation be the same value, or the equivalent negative value. This is so we can add or subtract the equations to leave us with one v...

Even at GCSE, structure is really important so a marker or teacher reading your essay can clearly see the different parts of your argument and award you all the marks you deserve. The first part of every ...

Hardy wants to depict the loss of love and emotion in a relationship in the poem. The use of 'ash' to describe the tree, also evokes imagery of loss and the remnants of something that was once there. Ash ...

Homeostasis is the maintenance of a constant internal environment (in response to internal or external changes in the environment)Homeostasis can be maintained by negative feedback mechanisms which detect...

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The reflex arc is a series of events connecting a stimulus to a response. The stimulus, for example a hand touching a hot pan, stimulates the receptor...