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BBS2001 Threats and Defence Mechanisms
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Pregunta:
What are the different sizes of PMs and where to they come from?
Autor: Mirte SchattorieRespuesta:
PM10 (thoracic) -> construction sites, mining sites, paved roads, farming PM2.5 (fine) -> forest fires, volcanos, coal-powered power-stations, factories PM0.1 (ultrafine) -> man-made e.g. cosmetics
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Mirte Schattorie