APES Unit 9 Review

The formation of ozone begins when an O₂ molecule is split by

• UV-A radiation

• UV-B radiation

• UV-C radiation

• UV-A or UV-B radiation

• UV-B or UV-C radiation

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The most common use of CFCs was as

• hair spray

• insecticide

• refrigerants

• fire resistant insulation

• computer boards

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HCFCs are compounds containing

• strictly chlorine

• any type of halogene

• benzene and hydrogen

• carbon, hydrogen, chlorine and fluorine

• hydrogen, chlorine, phosphorus, and cobalt

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A class of compounds as acceptable temporary alternatives to chlorofluorocarbons

• dihydrogen monoxide

• hydrochlorofluorocarbons

• carbon dioxide

• helium

• fluoride bromide nitrides

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The "good" ozone (90% of ALL O₃) on Earth is located in the

• Troposphere

• Stratosphere

• Asthenosphere

• Mesosphere

• Thermosphere

The Greenhouse gas with the highest greenhouse warming potential is

• carbon dioxide

• methane

• water vapor

• chlorofluorocarbon

• nitrous oxide

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The greenhouse effect is due to

• the absorption and reradiation of infrared radiation by the atmosphere

• the reflection of ultraviolet radiation by the atmosphere

• the absorption of ultraviolet radiation by the atmosphere

• the reflection of infrared radiation from Earth's surface

• the absorption of ultraviolet radiation by Earth

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While water vapor is a greenhouse gas, why does it not contribute significantly to global climate change?

• It is natural and natural gases do not have negative environmental effects

• It has a short residence time in the atmosphere

• Water vapor cannot reflect energy back towards Earth's surface

• Water vapor is only found in the troposphere

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Which of the following causes both ozone depletion and global warming?

• H₂O

• CO₂

• CH₄

• CCl₂F₂

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Which of the following has the greatest global warming potential (GWP)?

• NOx

• CO₂

• CH₄

• O₃

• CFCs

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