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*knife *gun *anti-social behaviour *drug *domestic violence |
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A Victim is a person who has suffered harm, physical or mental
An offender is a person who breaks the law |
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created by wind causing friction on sea surface producing a swell. The energy of the wind causes water particles to rotate and this carries wave forward |
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water washes up on beach called SWASH. water then runs backwards called BACKWASH |
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*constructive -swash stronger than backwash *calm weather *less powerful *break on shore * deposit material *long wave length
*destructive -backwash stronger *erodes coast *high and steep *short wave length |
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hydraulic -water breaks and compresses air trapped in cracks in cliffs which weaken cliff. abrasion -bits of rock and sand grind cliff surface attrition -waves smash rocks and pebbles on shore which become smoother solution- acids in sea dissolve some types of rock eg chalk and limestone |
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waves approach shore at angle due to wind direction and carry material up beach. backwash carries material staight back at 90 degrees to sea so transporting the material. |
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when water erodes rock face to form a notch which gets deeper until ceiling falls and notch collapses forming a wave cut platform at cliff base |
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steep vertical column formed when part of headland is eroded by hydraulic action. Also forms when natural arches collapse due to gravitiy. typically form in limestone |
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when a ridge of sand or shingle projects from land into water formed by longshore drift, tides, currents and bends in coast. When decrease in wave energy more material is deposited than transported bulding a spit. |
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*dune stabilisation, *cliff stabilisation, *groynes-straight structure to trap sand *detached breakwaters -structures parallel to shore *nourish beaches |
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