VOC Emissions and Photochemical Smog
Which of the following best explains why the formation of photochemical smog is exacerbated on hot summer days in urban areas with significant tree cover?
A
Trees absorb nitrogen oxides but release carbon monoxide
B
Urban heat islands reduce photochemical reactions
C
Higher temperatures increase VOC emissions from both trees and anthropogenic sources
D
Sunlight decreases the volatility of organic compounds
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