Question

multiple choice question
of the 26 rivers in chinas shanxi province, ______ percent are so polluted that they are considered unfit for human use.

80
60
45
33

Explanation:

This question is about environmental pollution data of rivers in Shanxi Province, China. From environmental and geographical knowledge (related to Natural Science, subfield Environmental Sciences), the correct percentage of rivers unfit for human use among 26 rivers in Shanxi is 80 percent.

Answer:

80 (the option with "80" as the value, so the answer is the option: 80)