Which of the following ingredients and conditions would be more likely to produce photochemical smog?
A. sulfur, PM and high humidity
B. coal dust and carbon dioxide
C. HC+NOx+sunlight+time
D. PM and VOCs
Answer: C
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A. joint root? B. bevel angle? C. scope? D. joint geometry?
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When using the metric system, record dimensions in ____ rounded to two decimal places.
A. millimeters B. centimeters C. decimeters D. meters
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What will be an ideal response?
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