Question

question 1 points 2 which of the following statements is not true? nitrogen dioxide is a secondary air pollutant. the air quality index shows green color when the air outside is good. air pollution causes respiratory infections, lung cancer, and heart disease. air pollutants can harm vegetation and cause corrosion.

Explanation:

Nitrogen dioxide is a primary air - pollutant, not a secondary one. It is directly emitted from sources like vehicle exhausts. The Air Quality Index shows green for good air quality. Air pollution is linked to respiratory infections, lung cancer, heart disease, and can harm vegetation and cause corrosion.

Answer:

Nitrogen dioxide is a secondary air pollutant.