The correct answer is C. Los Angeles smog.
Photochemical smog is a type of air pollution that is caused by the interaction of sunlight with certain chemicals in the air, such as nitrogen oxides and volatile organic compounds (VOCs). These chemicals are released into the air from cars, factories, and other sources. When they react with sunlight, they form ground-level ozone, which is a major component of photochemical smog.
Photochemical smog can cause a variety of health problems, including respiratory problems, eye irritation, and headaches. It can also damage plants and crops.
Tokyo smog is a type of air pollution that is caused by the burning of coal and other fossil fuels. It is characterized by a thick, gray haze that can reduce visibility and cause respiratory problems.
London smog is a type of air pollution that is caused by the burning of coal and other fossil fuels. It is characterized by a thick, black fog that can reduce visibility and cause respiratory problems.
None of the above options are correct.