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EGEE Exam 2 2025 Questions and Answers Fossil fuels are hydrocarbons comprised of primarily hydrogen and nitrogen, and some sulfur, carbon, oxygen, and mineral matter - ....ANSWER☑️☑️...-FALSE CO is a primary pollutant - ....ANSWER☑️☑️...-TRUE The US emits the largest amount of CO2 in the world due to the combustion of fossil fuels - ....ANSWER☑️☑️...-TRUE Nitrogen oxides can form only from combustion of nitrogen in the fuels ....ANSWER☑️☑️...-FALSE PM2.5 is a term used for "fine" particles that are larger than or equal to 2.5 um in diameter - ....ANSWER☑️☑️...-FALSE Nitric oxide and nitrogen dioxide together are represented by NOx ....ANSWER☑️☑️...-TRUE Some groups of scientists argue that an atmosphere rich in CO2 is good for plants ....ANSWER☑️☑️...-TRUE Sulfuric acid is formed when - ....ANSWER☑️☑️...-SO2 is oxidized in the atmosphere to form SO3 and then dissolved in clouds Nitric acid is formed when - ....ANSWER☑️☑️...-NO is oxidized in the atmosphere to form NO2 and then dissolved in clouds Acid rain precursors in the US reduce visibility by - ....ANSWER☑️☑️...-60% FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 1