In cities, where less vegetation and exposed soil exists, the majority of the Suns energy is ...

In cities, where less vegetation and exposed soil exists, the majority of the Suns energy is absorbed by urban structures and asphalt, creating an urban heat island.
a. True
b. False

Q. 2

Smoke emitted into a stable atmosphere tends to spread horizontally, rather than mix vertically.
a. True
b. False

Q. 3

The discovery of the ozone hole added urgency to the development of an international agreement called the Kyoto Protocol, which was signed in 1987.
a. True
b. False

Q. 4

The depletion of stratospheric ozone could cause suppression of the human immune system.
a. True
b. False

Q. 5

Concentrations of tropospheric ozone are normally higher at night and during the winter months.
a. True
b. False

Q. 6

When smog is composed of sulfurous smoke and foggy air, it is usually called Los Angeles-type smog.
a. True
b. False

Q. 7

The greenhouse gas carbon dioxide (CO2) is not covered by the Clean Air Act.
a. True
b. False

Q. 8

Although thousands of volatile organic compounds (VOCs) are known to exist, methane is the most abundant.
a. True
b. False

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In cities, where less vegetation and exposed soil exists, the majority of the Suns energy is ...

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