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Class 12BiologyEnvironmental IssuesPollution
Easy

Which of the following gases causes pollution?

  • A
    $CO$
  • B
    $SO_2$
  • C
    Both $(a)$ and $(b)$
  • D
    None of the above
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Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

Subtopic

Pollution

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