Lesson 8

What is one of the health effects associated with air pollution?

• Improved lung function

• Chronic bronchitis

• Enhanced immune system

• Increased energy levels

What is the purpose of the Clean Air Act according to the text?

• To increase industrial production

• To clear the nation’s air of damaging pollutants

• To promote fossil fuel consumption

• To reduce water pollution

What natural phenomenon was associated with the Donora air pollution disaster?

• Earthquake

• Inversion

• Hurricane

• Tornado

What were the main sources of contaminants in the Donora disaster?

• Agricultural chemicals

• Iron and steel industries

• Automobile emissions

• Residential heating

Which group was most affected by the Meuse Valley air pollution incident?

• Children

• Elderly with preexisting heart and lung diseases

• Teenagers

• Healthy adults

What combined with fog to create severe air pollution in Donora?

• Dust

• Particulate matter and industrial contaminants

• Pollen

• Water vapor

What was a significant consequence of the London Fog of 1952?

• Economic recession

• Increase in tourism

• Excess deaths

• Political reform

Which of the following is a natural source of air pollutants?

• Power plants

• Volcanic eruptions

• Oil refineries

• On-road vehicles

What is a common effect of volcanic dust exposure?

• Improved air quality

• Irritation of the respiratory system

• Increased oxygen levels

• Decreased nitrogen levels

What are some examples of stationary sources of air pollution?

• Bicycles and scooters

• Factories and manufacturing complexes

• Rivers and lakes

• Mountains and hills