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ENV 100T Wk 4 – WileyPLUS Week 4 Weekly Exam

ENV 100T Wk 4 – WileyPLUS Week 4 Weekly Exam PLDZ-15971
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ENV 100T Wk 4 – WileyPLUS Week 4 Weekly Exam 

 

 

An analysis of air pollutants in an urban area resulted in the detection of NO2, SO2, CO, and particulates. How are all these chemicals related?

 

 All of them are classified as primary pollutants.

 

 All of them are classified as secondary pollutants.

 

 All of them contribute to acid precipitation.

 

 All are components of photochemical smog.

 

 

 

 

Why do air pollution dust domes often form in urban areas?

 

 Urban areas are usually in valleys.

 

 There are a high number of mobile sources that emit air pollutants.

 

 Pavement and rooftops concentrate heat and create relatively stable air masses that lift and keep pollutants in the air.

 

 Large cities are usually located on peninsulas or islands.

 

 

 

 

Ozone in the ___ is essential as it protects the Earth’s surface form UV radiation but ozone in the ___ is a human-made air pollutant that contributes to global warming.

 

 troposphere; stratosphere

 

 stratosphere; troposphere

 

 troposphere; thermosphere

 

 mesosphere; stratosphere

 

 

The figure below shows how temperatures might vary on a summer afternoon over different types of landscapes. What explains the higher temperatures over the city?

 

 

 

 Thermal inversions

 

 Heat island

 

 Dust domes

 

 Photochemical smog

 

 

 

 

What is industrial smog?

 

 It is only formed by reactions involving sunlight and nitrous oxides and hydrocarbons released from automobile exhaust.

 

 It is formed from sulfur oxides and particulate matter released from combustion of heating oil and coal.

 

 It is formed by reactions between CFCs from industrial processes and ice crystals in the upper atmosphere.

 

 It is formed when secondary pollutants such as ozone combine with primary pollutants such as hydrocarbons in cold winter temperatures.

 

 

 

What is the main source of the indoor air pollutant radon?

 

 The burning of wood and dung for cooking fires.

 

 Natural emissions seeping into building foundations from the ground.

 

 Cigarette smoking.

 

 Carpeting, fabrics, and furniture.

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