Runoff from commercial agriculture and coastal development, leading to sedimentation and eutrophication, is widely documented as a major threat to coral reef biomes globally.
To what extent do you agree with the statement:
'Agricultural runoff and sedimentation cause more significant and long-lasting damage to coral reef ecosystems than any other human activity.'?
25 exam-style questions on OCR A GCSE Geography Rainforest & coral reef case studies. Each one has a worked solution and a mark scheme showing where the marks go.