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Which of the following is NOT listed as a component of Particulate Matter in the notes?

ASulphate

BCarbon dioxide

CAmmonia

DSodium chloride

Answer:

B. Carbon dioxide

Read Explanation:

  • Particulate matter (PM) refers to inhalable particles, composed of sulphate, nitrates, ammonia, sodium chloride, black carbon, mineral dust or water.

  • PM can be of different size and is generally defined by their aerodynamic diameter, with PM2.5, and PM10, the most common in the regulatory framework and relevant for health.

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