IB Environmental systems and societies (ESS - Old) Internal Assessment Exemplar: To what extent does the distance from the shores of Kisumu City affect the quality of water in Lake Victoria by affecting the pH levels (measured using a pH meter) of the lake water at 0 km, 15 km, 32 km,60 km, 77 km,91 km and 113 km (±5km) as a result of increased industrial activity in the city? | RevisionDojo