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State the meaning of the term infiltration (2 marks)

Infiltration is the process by which water enters the ground by seeping through pores in soil or any other surface. Rates of infiltration depend on factors such as soil saturation level, compaction or partic...
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Answered by Sophie M. • Geography tutor
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Outline 2 cultural factors that may affect ethnic differences in educational achievement (4 marks)

One factor highlighted by Beretier and Engelmann is differing speech codes. They note that poor black families tend to use 'ungrammatical', broken English, putting them at a disadvantage in achieving educati...
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Answered by Sophie M. • Sociology tutor
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How do I use the quadratic formula?

So far in your learning it is likely that you have been learnt that if you can't factorise a quadratic equation then you can not solve for x. The quadratic formula is overcomes this restriction, allowing you...
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Answered by Olumide I. • Maths tutor
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Briefly explain how both social and environmental considerations are important in sustainable development (6 marks)

Sustainable development is defined by the Bruntland Report as development which meets the needs of future generations without compromising the ability of future generations to meet their needs. For this to b...
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Answered by Sophie M. • Geography tutor
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Q) The equation of a curve is y=(x+4)^2+7. Find the co-ordinates of the turning point

Full Explanation: We have our Equation: y=(x+4) 2 +7 At the turning points, the gradient, (m) is zero m=0 = dy = 0To work out the gradient, we must differentiate the equation dx The formula to differentiate ...
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Answered by Jake C. • Maths tutor
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