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Outline and evaluate one definition of abnormality.

Statistical infrequency can be used to define abnormality, it involves an individual not fitting into the normal distribution of society so they are regarded as abnormal. There is, however, a problem with th...
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Answered by Sarah N. • Psychology tutor
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Describe the events that occur in a nerve cell during an action potential.

Action potentials are the way in which information is conveyed along the length of a nerve cell and between nerve cells. At rest, the nerve cells membrane potential is around -70mV. During an action potentia...
CH
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what is the Pythagoras theorem?

The pythagoras theorem is the rule used to work out the length of side of a right angle triangle with one length mising and two known lengths of side. The rule states that a 2 = b 2 +c 2 . "a" repr...
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Answered by Joseph K. • Maths tutor
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A straight line passes through the point (2,1) and has a gradient of 3. Find the co-ordinates where the line crosses the x and y axes

m=3 y1=1 x1=2 y-y1=m(x-x1) y-1=3(x-2) y-1=3x-6 y=3x-5 at the x-axis, y=0. Sub in to find the x co-ordinate: 0=3x-5 x=5/3. Hence the co-ordinates at which the line crosses the x axis are (5/3,0) at the y-axis...
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Answered by Anna C. • Maths tutor
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Discuss factors within schools that may lead to the educational under-achievement of pupils from some minority ethnic groups.

One internal factor that may lead to the educational underachievement of pupils from some minority ethnic groups is labelling and teacher racism. Gillborn (1990) and Gillborn and Youdell (2000) studied teach...
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Answered by Matthew U. • Sociology tutor
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