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IB ESS Test Questions
IB ESS Test Questions 
Distinguish between point and non-point pollution with reference to named examples. - 
ANSWER...-Point pollution is an identifiable place where the pollutants are coming from, 
like a specific factory or power plant. Non point is an unidentifiable source where the 
pollution is coming from, like agricultural run off or acid rain. 
For a named water pollutant, evaluate two management strategies to maintain the 
sustainability of watercourses. - ANSWER...-Agricultural run of...