The epa sets national air-quality standards for common air pollutants. the graph shows the change in the concentrations of these pollutants over time. which pollutant have the air-quality standards had the greatest impact on? the epa sets national air-quality standards for common air pollutants. the graph shows the change in the concentrations of these pollutants over time. which pollutant have the air-quality standards had the greatest impact on?

a.
no2
b.
pm10
c.
lead
d.
ozone

it took two men to wrestle rome back from chaos and turn a republic into an empire. in the first century bc, rome was a republic. power lay in the hands of the senate, elected by roman citizens. but the senators were fighting for power between themselves.

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.

a memoir is the correct answer