本题目来源于试卷: Photochemical Smog，类别为 IB环境系统与社会
[单选题]
Predict the combination of factors thatp t0/mbh py(:fs4o1s m6pc9jy a*t;hd would most likely lead to the formation of photp6ycj* dh9a ;tochemical smog.
A. Local topography is hillside Weather is sunny Population density is high Fossil Fuel Use is high
B. Local topography is valley Weather is cloudy Population density is low Fossil Fuel Use is low
C. Local topography is hillside Weather is cloudy Population density is high Fossil Fuel Use is high
D. Local topography is valley Weather is sunny Population density is high Fossil Fuel Use is high
参考答案: D
本题详细解析:
A valley has walls around it that preventtyh;- cxdl/. ( vg:axn wind from dispersing the chemicals.
Photochemical smog needs sunlight for its formation.
A higher population density m:(ndaycv ./xt -;hlgxeans there are more people in an area therefore releasing more chemicals.
High fossil fuel use contributes more chemicals to the air that can form smog.
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