Environmental Science Chapter 15

A pungent reddish-brown gas often associated with photochemical smog

• CO

• CH4

• NO2

• SO2

• PM10

A corrosive gas from burning coal often associated with with industrial smog

• CO

• CH4

• NO2

• SO2

• PM10

A dangerous indoor air pollutant

• CO

• CH4

• NO2

• SO2

• PM10

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emitted from both diesel and burning wood

• CO

• CH4

• NO2

• SO2

• PM10

All of the following are examples of primary air pollutants except

• sulfur dioxide

• carbon dioxide

• tropospheric ozone

• nitrogen oxide

• particulates

The greatest emission of sulfur dioxide comes from

• on-road vehicles

• biofuels

• industrial processes

• electricity generation

• fires

The least amount of nitrogen oxide emissions comes from

• on-road vehicles

• fossil fuel combustion

• industrial processes

• electricity generation

• fires

The accumulation of tropospheric ozone at night depends mainly upon the atmospheric concentration of

• nitrogen dioxide

• volatile organics

• chlorofluorocarbons

• sulfates and nitrates

• nitric acid

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Under natural conditions the pH of rainfall is closest to

• 8.5

• 7.1

• 5.6

• 4.5

• 3.1

The effects of acid deposition include all of the following except

• mobilization of metal ions from the soil into surface water

• increased numbers of salamanders in ponds and streams

• reduced food sources for aquatic organisms

• erosion of marble buildings and statues

• erosion of painted automobiles finishes and metals

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