2. What was the significance of the smog episodes in Donora, Pennsylvania, and London?
(Points : 1)
Air pollution control technology was invented.

Legislation was passed to regulate air pollution.

The public dismissed air pollution as a necessary consequence of industrialization.

The environmental movement began.

Question

2. What was the significance of the smog episodes in Donora, Pennsylvania, and London?
(Points : 1)
       Air pollution control technology was invented.

       Legislation was passed to regulate air pollution.

       The public dismissed air pollution as a necessary consequence of industrialization.

       The environmental movement began.

anonymous · Answer

this is environmental science question open study did not have this subjest as a choise but i still need help so if you can answer this question and  three others i will be supper happy ^.^ I will metal and vote best answer if the answer is correct :)