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CMS 7th Social Studies Unit 8 Pre-Test (COPY) Flashcards | StudBud
CMS 7th Social Studies Unit 8 Pre-Test (COPY)
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How has agriculture contributed to the decline of the Chang Jiang's water quality?
A
Irrigation of farmland has reduced the water level in the river.
B
The fertilizers used by farmers contaminate the river.
C
Livestock drink from the river and spread their diseases.
D
Clearing land for farming has caused acid rain.
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