Refer to the figure.
The figure shows the pH of precipitation in the United States in 1990 (left) and 2017 (right). The acidity of precipitation during both time periods was most extreme in the _______ part of the country, and the acidity of precipitation in this area _______ between 1994 and 2004.
A) eastern; increased
B) eastern; decreased
C) western; increased
D) western; did not change

Question

Refer to the figure.
 The figure shows the pH of precipitation in the United States in 1990 (left) and 2017 (right). The acidity of precipitation during both time periods was most extreme in the _______ part of the country, and the acidity of precipitation in this area _______ between 1994 and 2004.
A) eastern; increased 
B) eastern; decreased 
C) western; increased 
D) western; did not change

Quizplus · Accepted Answer

The Answer of Refer to the figure.
 The figure shows the pH of precipitation in the United States in 1990 (left) and 2017 (right). The acidity of precipitation during both time periods was most extreme in the _______ part of the country, and the acidity of precipitation in this area _______ between 1994 and 2004.
A) eastern; increased 
B) eastern; decreased 
C) western; increased 
D) western; did not change

Refer to the Figure