Class 7 Geography MCQs (Grade 7) From Textbook

Air and Water Pollution Quiz App Download (Free) | Class 7 Geography e-Book PDF

Class 7 Geography MCQs – Certification Test 32

Air and Water Pollution Quiz (Question 32) – App & e-Book Download

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MCQ: 32

The natural source of pollution is

  1. rain forest
  2. mining for minerals
  3. forest fire
  4. falling of meteoroids
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Air and Water Pollution Study Guide – Class 7 Geography App & e-Book Quiz

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Air and Water Pollution Quiz Apps (iOS & Android)

Air and Water Pollution Quiz App

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8th Class Geography Test Questions

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