Question

What are the visible indications of air pollution? ​

Answer 1

Answer:

photochemical smog: Appears as a brownish-orange haze often seen in the skies above large cities. Occurs when strong sunlight reacts with air pollution such as the hydrocarbons and nitrogen oxides released from vehicles and power plants

Answer 2

Answer:

photochemical smog: Appears as a brownish-orange haze often seen in the skies above large cities. Occurs when strong sunlight reacts with air pollution such as the hydrocarbons and nitrogen oxides released from vehicles and power plants.

Explanation:

Source: Industrial processes, mining, transportation. Effects/Problems: Most visible form of air pollution, reduces visibility, acts as an absorbant for other pollutants. Respirable particles can cause lung damage.