1.2*104 is 12000 it is easy just try ur best
Why was 1990 an important year regarding air quality? Check all that apply.
2.Cost-effective ways to reduce pollution were emphasized.
4.Modifications and improvements were made to the Clean Air Act.
i just took the test this is 100% correct
Who cares. Joe can solve his own problem instead of making people do it. (This was not toward you. This was supposed to be funny)