1) Is some of the pollution in the river caused by humans? a) YES b) NO 2) What year did the pollution of the river begin? a) 1870 b) 1830 c) 1920 d) 1910 3) Is there any possibility of decontamination of the river at this time? a) YES b) NO 4) Are there any organizations willing to help improve the current state of the river??  a) YES b) NO 5) Is the river currently a place where people can drink the water it contains? a) YES b) NO

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