Answer:
The correct answer is option A. sulfur dioxide.
Explanation:
Air pollution is excessive quantities of substances harmful including gases, particles, dust, pollen, and biological molecules in Earth's atmosphere.
Sulfur dioxide is a common air pollutant it causes many harmful reactions to the environment. It easily reacts with many components and forms of toxic products. combines with air and water, creates sulfuric acid, which is the major component of acid rain.
Thus, the correct answer is option A.
