Driving theory questions
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What is true when it comes to the development of the air quality in built-up areas since the early 1990s?
“The levels of soot have been reduced by approximately 60 per cent since 1990. [...] Nitric oxide emissions have been reduced by approximately 60 per cent since the base year of 1990. [...] Hydrocarbon emissions have been reduced by approximately 80 per cent since 1990.” (Swedish Transport Administration)
“The air quality has been significantly improved in built-up areas since the 1990s.” (The Swedish Environmental Protection Agency)
Useful links:
- Pollutants (Körkortonline.se)
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).
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Category:
- Driving theory questions: Vehicle
- Driving theory questions: Environment
- Driving theory questions: Traffic safety
- Driving theory questions: Traffic regulations
- Driving theory questions: Individual circumstances
- Driving theory questions: Road signs
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