In the United States,air quality has _____________in the past 40 years.In China,air quality has__________ over the same time period.
A)improved;gotten worse
B)gotten worse;improved
C)gotten worse;also gotten worse
D)improved;improved even more

Question

Quizplus · Accepted Answer

According to data from the Environmental Protection Agency (EPA) in the United States, air quality has improved over the past 40 years due to the Clean Air Act and other efforts to reduce air pollution. However, in China, air quality has generally gotten worse due to industrialization and rapid economic growth without proper environmental regulations.

In the United States,air Quality Has _____________In the Past 40