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Since 1990, the three pollutants that have decreased the most are sulfur dioxide (SO2), nitrogen oxides (NOx), and lead. The reduction in these pollutants can be attributed to stricter environmental regulations, the implementation of cleaner technologies, and a shift towards cleaner energy sources. These efforts have significantly improved air quality and public health in many regions.
What else can I help you with?
Has the population in russia increased decreased or stayed the same since 1990?
Decreased
What has not happened Hungary since 1990?
it's national debt has decreased.
What percentage of Americans budgets are spent on apparel?
The average american spent about 4% of their budget on apparel in 2003. This percentage has significantly decreased since 1990 when the average was around 14%.
What happen in the 1980 and the 1990?
Christianity greatly decreased on the African continent
What has not happened to hungarys sinces 1990?
it's national debt has decreased.
Economic growth patterns decreased sharply from 1990-1991 Then they rose sharpley and gradually leveled off up until 1999 However inflatiion dropped steadily from 1990 through 1999 It decreased?
Yes, it did.
The US has bombed and attacked at least three countries since 1990 killing innocent citizens?
Iran Iraq afganisan
How many states have had tornadoes since 1990?
All 50 states have had tornadoes since 1990.
Which countries have hosted the world cup since 1990?
No country has held three world cups as yet.
According to Census 2000, what happened to the European ancestries in the United States between 1990 and 2000?
It decreased.
Who is Janick Gers from iron maidens?
Janick Gers is one of Iron Maiden's three guitarists. He has played with them since 1990 and was born in Hartlepool, England.
How many weeks since July 28th 1990?
A little more than 1025 weeks since July 28th 1990.
