Acid rain means:
Correct answer: C. Both (a) & (b)
- A. A type of pollution which washes out of the atmosphere as dilute sulphuric and nitric acids
- B. It tends to be a regional rather than a global phenomenon linked to particular industrial activities and meteorological conditions
- C. Both (a) & (b)
- D. None of these
Explanation
Acid rain is precipitation containing dilute sulphuric and nitric acids, mainly formed from industrial sulphur and nitrogen emissions. Its occurrence is usually regional because transport depends on emission sources and weather conditions.
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