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Which Air Pollutant Decreased The Most From 1970 To 1991?
"lead" is the air pollutant that decreased most in 1970 to 1991.
What happened to the number of doctors and dentists between 1970 and 1985?
It increased significantly.
How has the popularity of road biking increased from 1970?
it is increased, but there is no where where the topic might not be able to be found
Has Australia's population increased decreased or stayed the same since the 1970's?
Australia's population has increased
Since 1970 the number of women in the paid workforce has?
increased substantially
The six pollutants regulated under the Clear Air Act between 1970 and 2001 while energy consumption increased 42 percent.?
The six pollutants regulated under the Clean Air Act are sulfur dioxide, nitrogen dioxide, carbon monoxide, lead, particulate matter, and ozone. Despite a 42% increase in energy consumption from 1970 to 2001, the regulations and technologies put in place to control these pollutants have helped to reduce their emissions and improve air quality in the United States.
What year did Mexico promote manufacturing?
Between 1930 and 1970. Roughly speaking, population doubled during such years, but GDP increased over six times from the 1930's levels.
How many years between 1970 and 2009?
2009 - 1970 = 39.
What is one way in which American society changed in 1970?
The nation's divorce rate increased significantly.
Where is the catalytic converter on a 1970 Chevy truck?
There is no catalytic convertor on a 1970 Chevy truck. Emissions regulations, and the use of emissions reducing equipment, were not employed until 1973 when the body style of Chevy trucks changed to the square body style that was used from 1973 to 1987. Catalytic convertors themselves were not factory installed until the second half of 1975. To date, any vehicle made before 1975 is exempt from emissions testing since the required equipment was not installed at the time of manufacture.
How much has the incidence of testicular cancer increased since 1970?
The incidence of testicular cancer has been rising in the developed countries at a rate of about 2% per year since 1970.
In what years between 1970 and 1977 did June 20 fall on Friday?
Between 1970 and 1977, June 20 fell on a Friday in 1975.
