To Efficiently Improve Environmental Quality, It Is Usually

Multiple Choice

To efficiently improve environmental quality, it is usually

A) better to focus on the hardest areas to clean up first since these usually are the biggest problems.
B) more appropriate to concentrate on the physical quantities of pollution rather than on economic costs.
C) best to set up stringent emission standards that must be followed by everyone.
D) better to focus on economic damages rather than physical quantities of pollution.