How has the EPA improved air quality over the last 30 years? by monitoring pollutants and passing regulations to reduce air pollution
by decreasing soil erosion and dust storms
by building marine refuges to help protect marine life and reduce air pollution
by decreasing of fossil fuel use in motor vehicles and industry

A. by monitoring pollutants and passing regulations to reduce air pollution

Explanation:

(A) by monitoring pollutants and passing regulations to reduce air pollution. is correct

Explanation:

I did the quiz and (A) was correct. give the other person brainliest pls

                                                   hope it helps ️

after the roman empire, the catholic church began to unify by taking on many duties of a government.

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.