Which one of the following is a cause of acid rains?
- A.Ozone
- B.Ammonia
- C.Sulphur dioxide
- D.Carbon monoxide
Show answer
Sulphur dioxide dissolves in rainwater to form sulphuric acid, a main cause of acid rain. Burning coal and oil in power stations, smelters and vehicles releases sulphur dioxide and oxides of nitrogen into the air.
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