Which pollutant is most strongly associated with acid rain formation from fossil-fuel combustion?
Correct answer: D. Sulphur dioxide
- A. Methane
- B. Carbon monoxide
- C. Ground-level ozone
- D. Sulphur dioxide
Explanation
Sulphur dioxide is oxidized in the atmosphere to sulphuric acid and related compounds that contribute to acid deposition. Carbon monoxide and methane have different major environmental effects and are not the principal acid-rain precursors.
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Environmental engineering examines water supply, water quality, treatment processes, wastewater collection and treatment, solid waste management, air pollution and public health protection. It covers sedimentation, coagulation, filtration, disinfection, biological treatment and disposal methods, while distinguishing drinking-water treatment from sewage treatment and BOD from COD.
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