Since the beginning of the industrial revolution, the acidity of the ocean surface has increased by what percentage?
a. 10%
b. 20%
c. 30%
d. 40%
e. 50%
Answer: C
Since the beginning of the industrial revolution, the acidity of the ocean surface has increased by what percentage?
a. 10%
b. 20%
c. 30%
d. 40%
e. 50%
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.