Introduction to Air Pollution (Pollutants)

Front

What are the six criteria air pollutants identified by the Clean Air Act (1970)?

Back

SO2, NOx, CO, PM, O3, Pb

Front

What are the primary pollutants that cause most acid rain precipitation?

Back

NOx and SO2

Front

What are the impacts of smog on humans?

Back

Respiratory problems and eye irritation

Front

Which of the following is a source of PM between 2.5 and 10?

Back

Dust

Front

Which of the following are common natural source indoor air pollutants?

Back

Radon, mold, and dust

Front

What is the definition of air pollution?

Back

The presence of harmful substances in the atmosphere that can cause adverse effects on health and the environment.

Front

What is particulate matter (PM)?

Back

A mixture of solid particles and liquid droplets found in the air, categorized by size (PM10, PM2.5).

Front

What is the role of ozone (O3) in the atmosphere?

Back

Ozone in the stratosphere protects life on Earth by absorbing harmful ultraviolet radiation.

Front

What are volatile organic compounds (VOCs)?

Back

Organic chemicals that can evaporate into the air and contribute to air pollution, often found in paints and solvents.

Front

What is the difference between primary and secondary pollutants?

Back

Primary pollutants are emitted directly from a source, while secondary pollutants form in the atmosphere through chemical reactions.