Typical rain in the eastern United States has a pH of
a. 3.6
b. 4.6
c. 5.6
d. 6.6
e. 7.6
Answer: B
Typical rain in the eastern United States has a pH of
a. 3.6
b. 4.6
c. 5.6
d. 6.6
e. 7.6
Answer: B
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