Answer:
answer is: A typical morning in Donora would include the formation of a layer of fog over the town and which would dissipate as the day proceeded (Snyder, 1994). On Tuesday October 26, 1948, this typical morning fog lingered for longer than normal.
Explanation:
I found it on the web.
e2020 answer is C. “Hall sensed that [it] would tip the balance in favor of the U.S. joining the Allied forces”
The word harbingers as it is used in this excerpt is a person or thing that announces or signals the approach of another.