Why is sanitation important in cities

Better urban sanitation unquestionably contributes to environmental protection, through a reduction in pollution of soils, waterways and groundwater. It also helps to mitigate the adverse impacts of flooding exacerbated by climate change

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question- above

answer- your correct answer is actually college a. because college a has a good price loan and graduation rate. you have to compare it with other values also , that how many students graduated and how many from them have repaid the loan ( default loan rate ).

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