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Air pollution can make rain acidic. Which rain has the lowest pH in a city?

AThe rain up in the hills
BThe first rain after summer
CThe last rain of winter
DThe rain during a cyclone
Answer & Solution
Correct answer: B. The first rain after summer
1. Air pollution causes acid rain. 2. Urban rainwater analysis shows the first rain after summer has the lowest pH. 3. Later rains are less acidic. _Source: syllabus Geography, India People and Economy, Chapter 12, Geographical Perspective on Selected Issues and Problems._
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