How has agriculture contributed to the decline of the Chang Jiang's water quality?
A. Cl...
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Social Studies, 17.04.2020 00:03 nostalgiafaith
How has agriculture contributed to the decline of the Chang Jiang's water quality?
A. Clearing land for farming has caused acid rain.
B. The fertilizers used by farmers contaminate the river.
C. Livestock drink from the river and spread their diseases.
D. Irrigation of farmland has reduced the water level in the river
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