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 Why Is There Smog in Big Cities?

Answer Smog is primarily caused by the use and burning of fossil fuels such as oil and coal. It is especially prevalent in large cities because of population density. The more people there are in a given ... Read More »
http://www.ehow.com/about_6572080_there-smog-big-cities_.html

Top Q&A For: Why Is There Smog in Big Cities

Vehicle smog CA to another state, smog legal?

Can't speak for all states but in most if the car is classified as an antique (25 years old or more) it is exempt from smog requirements. California is one of the few exceptions. Not sure what othe... Read More »
http://answers.yahoo.com/question/index?qid=20090827134100AA42ygO

What is the difference between a smog check&a smog test?

In California, the difference between a Smog Test and a Smog Check is where the inspection may occur. Drivers receiving Department of Motor Vehicle (DMV) paperwork should pay particular attention t... Read More »
http://www.answerbag.com/q_view/1962524

What cities in the US are named after European cities?

Alabama Birmingham - Birmingham, UK Athens - Athens, Greece Oxford - Oxford, UK York - York, UK Arkansas Dover - Dover, UK Hamburg - Hamburg, Germany London - London, UK Paris - Paris, France... Read More »
http://wiki.answers.com/Q/What_cities_in_the_US_are_named_after_European_cities

Where does smog come from?

Smog comes from a photochemical reaction in the atmosphere. Smog is generated through the mixture of sunlight with hydrocarbons and nitrogen oxides that typically come from excessive automobile exh... Read More »
http://www.answerbag.com/q_view/2232469


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