Answer:
A convention is an agreement between 2 countries helping over a particular problem, less formal then a treaty . Also a convention is a gathering where people meet and discuss a problem or similar interests.
The correct answer of the given question above would be option C. THE CITY'S WATER SUPPLY WOULD DECREASE. The city's water supply would most likely decrease if the Thames experienced a drought in the twenty-first century. Thames is a river that flows through southern England. Hope this answer helps.
The answer should be Moche but It was kinda hard to see
