Attaining higher and higher levels of air cleanliness causes
A) additional costs to rise to increasingly high levels.
B) larger and larger increases in per capita incomes.
C) additional costs to fall to lower and lower levels.
D) larger and larger marginal benefits to society.

Question

Quizplus · Accepted Answer

Attaining higher levels of air cleanliness requires more sophisticated and expensive technologies or methods, leading to rising additional costs.

Attaining Higher and Higher Levels of Air Cleanliness Causes