In two paragraphs
discuss the nature of since the clean air act of 1970, emissions of most pol...
Geography, 21.08.2019 20:30 morelos7078
In two paragraphs
discuss the nature of since the clean air act of 1970, emissions of most pollutants have fallen off substantially, with lead showing the greatest reduction, primarily due to the gradual elimination of leaded gasoline. to indicate the air quality in a particular region, the epa developed the air quality index (aqi). the index includes the pollutants carbon monoxide, sulfur dioxide, nitrogen dioxide, articulate matter, and ozone.
question 1. based on data from the epa reference the climate room.
have we made progress and why?
Answers: 2
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