6) Use resources effectively i.e. quote evidence to support your answer. 7) Improve OS skills – 6 figure grid references and scale are common errors (in 6 figure refs there must be no , or . in the reference i.e. 670,345 would receive no marks) 8) Know basic geographical terminology improve your understanding and knowledge of processes in physical geography e.g. infiltration, runoff, types of erosion. 9) Improve your knowledge and use of case studies. Case studies must refer to specific places and not be so general that they could apply to anywhere.