Which of the following would have most likely prevented the deadly 1948 smog in Donora, PA?
A) The shift of industrial production from the day to evening hours
B) The addition of scrubbers to the smokestacks used by the Donora industries in order to remove effluents
C) Increased use of coal to generate electricity and heat homes in the region
D) Use of high sulfur instead of low sulfur coal to generate electricity and heat homes
Question 2
The location of the world's major forest biomes is in areas where the climate
A) is relatively dry and is bordered by desert biomes.
B) provides sufficient rainfall to produce a canopy with at least 10 cover.
C) is severely impacted by drought or severe winters.
D) is in coastal areas that have hot, tropical environments.