Sulphur dioxide is a ______ that is released into the atmosphere by coal-fired power stations. A. pollute B. pollutant C. pollution D. polluted

Sulphur dioxide is a ______ that is released into the atmosphere by coal-fired power stations.

A. pollute    
B. pollutant       
C. pollution    
D. polluted

Trả lời

Chọn đáp án B

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