Sulphur dioxide produces acid rain when it mixes with the clouds to form dilute sulphuric acid it then falls as acid rain.
sulphur dioxide causes eutrophication and erodes limestone.
sulphur can be removed from fuels before they are burned but it is expensive and takes a lot of energy and releases Carbon dioxide
acid rain prevented by acid gas scrubbers in power stations, catalytic converters in cars and also by burning less fossil fuels
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