The single major source for photochemical reactants in the United States are steel mills and the agricultural industry. electrical generation stations. solar panels and wind turbines. rapid transit, buses, and excessive use of light rail systems. automobiles.

Question

The single major source for photochemical reactants in the United States are steel mills and the agricultural industry. electrical generation stations. solar panels and wind turbines. rapid transit, buses, and excessive use of light rail systems. automobiles.

Answer 1

Automobiles.

Answer 2

Photochemical reactants, which are involved in the formation of photochemical smog, primarily originate from emissions of volatile organic compounds (VOCs) and nitrogen oxides (NOx). These emissions are predominantly produced by the combustion of fossil fuels. Among the listed options, automobiles are the major source of these emissions due to the large number of vehicles and the extensive use of internal combustion engines in the United States.

Question

The single major source for photochemical reactants in the United States are steel mills and the agricultural industry. electrical generation stations. solar panels and wind turbines. rapid transit, buses, and excessive use of light rail systems. automobiles.

Answer

Answer

Explanation