Outline two threats to water quality? (4 marks)
Sewage can contaminate water supplies which leads to waterborne diseases like typhoid or cholera. Agricultural run-off threatens water quality since pesticides have high levels of nitrate which causes eutrophication.
LC
Related Geography GCSE answers
All answers ▸What are the differences between warm and cold based glaciers?
Describe and explain how one fluvial landform is formed with reference to an example.
Explain the pull factors of counter-urbanisation.
Outline 2 reasons why a country may have shortage of water supply excluding human factors. (3)