In urban areas, fine particles caused by dust or pollution often cloud the air close to the ground. Which of the following terms best defines this event? A.
ozone
B.
smoke pollution
C.
haze
D.
acid rain

Please select the best answer from the choices provided
A
B
C
D

The fine particles caused by dust or air pollution which cloud the air close to the ground in urban areas are known as the haze.

Explanation:

The urban areas, unfortunately, more often than not have big problems with pollution. This is due to numerous factors, some of which are the constant construction activities, a lot of traffic, industry, but also blocked airflow. All of these result in high amounts of suspended particles ending up in the air, but because of their weight, they stay low.

The buildup of such particles in the air is known as the haze. It gives the urban areas a foggy and grey appearance, often blocking the sun. The visibility is significantly lowered, while the people suffer a lot because of the heavy pollution, developing problems with their respiratory system, or the ones that already have such often end up hospitalized.