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What two things combine with oxygen to form ground-level ozone?

A) NOx and ODS
B) CFCs and halons
C) NOx and VOC
D) HFCs and HCFCs

User MartinBA
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1 Answer

6 votes

Answer:

c) NOx and VOC

oxides of nitrogen (NOx) and volatile organic compounds (VOC)

Step-by-step explanation:

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User DotNetUser
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