Over several decades, which of the following inhaled pollutants is most likely to produce extensive pulmonary fibrosis?
کئی دہائیوں کے دوران، مندرجہ ذیل میں سے کون سی سانس لینے والی آلودگی کا زیادہ امکان ہے کہ وہ پلمونری فبروسس پیدا کرے گی؟
Answer: Silica
Explanation
Over several decades Silica inhaled pollutants are most likely to produce extensive pulmonary fibrosis
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