During a physical geography fieldwork enquiry, a group of students measured the gradient of a beach profile by placing two ranging poles 5 metres apart and using a clinometer to measure the angle of slope between them.
Suggest one reason why the slope gradient data collected using this method might be inaccurate.
91 exam-style questions on OCR A GCSE Geography Fieldwork skills. Each one has a worked solution and a mark scheme showing where the marks go.