Which of the Following Best Illustrates a Technology-Forcing Standard Set

Multiple Choice

Which of the following best illustrates a technology-forcing standard set by direct regulation?

A) a regulation that requires air filters to be set on high instead of low
B) a regulation that requires air filters to be inspected annually
C) a regulation that requires air quality in a city to be at a predetermined level so that the number of asthma cases will decrease
D) a regulation that requires a factory smokestack to be built above a particular height