Question: Diesel exhaust is made up of three fractions: solid, condensed (or liquid), and gaseous fractions. What is the most prevalent element in the solid diesel exhaust particle fraction?
Answer: Carbon is the most prevalent element in the solid diesel exhaust particle fraction. (Steiner S. et. al. Diesel exhaust: current knowledge of adverse effects and underlying cellular mechanisms. 2016 Arch Toxicol 90:1541-1553)
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