Direct controls have a clear advantage where
A)an emission is so dangerous that it is prohibited altogether.
B)a sudden change in circumstances calls for prompt and substantial change in conduct.
C)effective and dependable metering devices have not been invented or are prohibitively costly to install and operate.
D)All of the above create an advantage.

Question

Quizplus · Accepted Answer

Direct controls offer a clear advantage in situations where certain emissions or activities are so harmful that they need to be prohibited completely, where sudden changes in circumstances call for immediate and significant changes in behavior, and where there are no reliable or cost-effective metering devices available. Therefore, all of the options mentioned in the question create an advantage for direct controls.

Direct Controls Have a Clear Advantage Where