This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'The amount of sewage flowing in a system in 24 hours is called: \nSelect and explain. \nA. Sewage rate, B. Dry weather flow, C. RCA index, D. Sludge', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sewage is wastewater from a community, containing solid and liquid excreta, derived from houses, street and yard washings, factories and industries. It resembles dirty water with an unpleasant smell. The term "sullage" is applied to wastewater which does not contain human excreta, e.g., wastewater from kitchens and bathrooms.\xa0\nThe amount of sewage that flows in the sewers depends upon:\xa0\n\nHabits of the people: If people use more water, there will be more sewage.\xa0\nTime of day: Sewage does not flow uniformly throughout the day.\xa0\n\nThe average amount of sewage which flows through the sewerage system in 24 hours is called the "dry weather flow."\nPark\'s textbook of preventive and social medicine 23rd edition\nPage.no.762', 'role': 'assistant'}]