This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
[{'content': 'True about composition of hospital waste \nSelect and explain. \nA. Metal 1%, B. Paper 10%, C. Glass 5%, D. Infectious waste 3%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: - the average composition of hospital wastes in India is; - 15% - 10% metals- 1% infectious wastes-1.5% -4% wastes-53.5% Reference : Park&;s textbook of preventive and social medicine, 23rd edition, pg no:790, table 2. <\\p>', 'role': 'assistant'}]