0 votes 0 votes Which one of the following is a secondary pollutant? Ozone Carbon Monoxide Hydrocarbon Volatile Organic Carbon (VOC) Air Pollution gate2019-ce-1 air-pollution environmental-engineering types-of-pollutants + – Arjun asked Feb 14, 2019 • recategorized Nov 18, 2020 by soujanyareddy13 Arjun 13.0k points answer See all 0 reply