Sulphur dioxide, which can permanently damage lungs, is produced mainly by burning:
ADung cakes in villages
BCrackers at festivals
CCoal in power plants
DWood in cooking stoves
Answer & Solution
Correct answer: C. Coal in power plants
1. Refineries also emit it.
2. Coal combustion in power plants is a major source.
3. It causes respiratory problems.
_Source: syllabus Science, Chapter 18, Pollution of Air and Water._
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