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This is a typical example of a skill that examiners like to ask - for some exam boards it'll be mandatory that this question comes up and that means you can easily prepare a structure to aid you when you ...

This question can be solved using the elimination method. Set out the problem as follows: x+3y=11 - x+2y=9              0+y=2      => y=2              Therefore one can substitute the val...

Bowlby studied infant attachment systems and was a key figure in developmental psychology. As an evolutionary psychologist he believed attachment was based on innate systems. One good example of a mechani...

Motor neurone - carry info from the central nervous system to the effector cells

Sensory neurones - carry info from sensory receptors to the CNS

relay neurones - carry signals from one part ...

first of all you would see that at the bottom of the fraction it is not an integer so first of all you would need to rationalise the denominator. the denominator is the bit at the bottom of the fraction. ...