The same thing that happened in the 19th century, "The Great Stink". The name is real and it describes an event from the past which would repeat if they started throwing waste again. The river would become so polluted that disease and contagion would begin to spread. In the 19th century, it was cholera. Now, nobody knows.
How far chewing gum went to be a known item
I think it’s B market economy. He makes goods for consumers needs.
I am not perfect at this but I think it would be C. A is comparing the price of a cruise to the price of an island, B - the either and maybe do not flow together, and in D groomed and fed are in past tense and water and clean are present.
