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Explain longshore drift

Longshore drift is a natural process occurring as waves wash onto beaches. insert diagram The waves are washed onto the beach at an angle, so the 'swash' occurs diagonally. As the water recedes back into the...
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Answered by Claudia H. • Geography tutor
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What is the calculation for profit?

revenue - costs = profit
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Explain the requirements for the offence of murder

Murder is defined by Sir Edward Coke as the unlawful killing of a reasonable creature in being under the queens peace with malice aforethought, express or implied.A killing is unlawful if there is no defence...
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Answered by Claudia H. • Law tutor
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How do I know whether to use the preterite or imperfect past tense?

A: In general, you use the preterite tense to describe completed actions in the past, these are often single actions that took place at a specific moment in time. For example: El año pasado fui a Barcelona. ...
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Answered by Megan H. • Spanish tutor
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The equation of line L1 is y=5x-2. The equation of line L2 is 4y-20x=6. Show that these two lines are parallel.

Let's start by recalling that two lines are parallel when their gradients are equal. We know that the gradient of the line y=mx+c, is m. So the gradient of L1 is 5 as the equation of the line is already in t...
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Answered by Oliver C. • Maths tutor
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