Which research question on the topic of air pollution is open-ended and complex? O How many people believe that air pollution should be heavily regulated?
Which substances account for the greatest amount of air pollution?
How does air pollution affect human health in the United States?
O Which counties in the United States experience the most air pollution?

b i think or maybe d

explanation:

can you take a picture of the passage so i can answer your question

journalism is the gathering, organizing, and distribution of news -- to include feature stories and commentary -- through the wide variety of print and non-print media outlets. it is not a recent phenomenon, by any means; the earliest reference to a journalistic product comes from rome circa 59 b.c., when news was recorded in a circular called the acta diurna. it enjoyed daily publication and was hung strategically throughout the city for all to read, or for those who were able to read.

no

explanation: