▼ MENU

Which two exhaust substances in combination contribute to the formation of tropospheric ozone?

The options are not shown, since this is one of the 1,000 paid questions.
Buy all 1,000 questions now

Along with nitric oxides, the hydrocarbon emissions contribute to the formation of tropospheric ozone.” (Driving Licence Book, 19th Edition, page 228)

Körkortonline.se offers driving licence theory tests. This is an example of an explanation of a test question. English theory test (free demo), Swedish theory test (free demo) and Arabic theory test (free demo).

More examples of explanations:

Driving licence test – free demo

Buy all 1,000 questions in English for car (category B)