AP Environmental Science Unit 7: Atmospheric Pollution

Particulate matter (PM₂.₅) is considered more dangerous to human health than PM₁₀ primarily because:

The difference between tropospheric ozone (bad) and stratospheric ozone (good) is primarily:

During a temperature inversion, a layer of warm air traps cooler air (and pollutants) near the ground. This situation most directly worsens which air pollution problem?

Acid rain forms when _____ and _____ react with water vapor in the atmosphere to form sulfuric acid and nitric acid.

Carbon monoxide (CO) is toxic to humans primarily because it:

Radon gas is an indoor air pollutant that poses a risk of which disease?

Stratospheric ozone is depleted by chlorofluorocarbons (CFCs). Which chemical process explains how a single CFC molecule can destroy thousands of ozone molecules?

Indoor air quality is often worse than outdoor air quality in developed countries. Which of the following is a common source of formaldehyde, a significant indoor air pollutant?

Under the U.S. Clean Air Act's cap-and-trade (emissions trading) system for sulfur dioxide, power plants that reduce SO₂ emissions below their cap can:

The Clean Air Act (CAA) of 1970 and its amendments established National Ambient Air Quality Standards (NAAQS) for six 'criteria pollutants.' Which of the following is correctly identified as a criteria pollutant?

The Montreal Protocol (1987) is widely considered one of the most successful environmental treaties. Its primary achievement was:

Photochemical smog forms most intensively on hot, sunny, calm days in urban areas. Which pair of precursor pollutants are MOST directly responsible for initiating the formation of ground-level ozone in smog?