Class 7 Geography MCQs (Grade 7) From Textbook
Air and Water Pollution Notes App | Class 7 Geography e-Book PDF Download
Class 7 Geography Exam MCQs – Practice Test 4 (Chapter 1)
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The MCQ: The Chlorofluorocarbon (CFC) remains in atmosphere for; "Air and Water Pollution Notes" App APK Download with answers: 30 to 50 years, 22 to 111 years, 80 to 90 years, and 10 to 20 years to learn e-learning courses. Practice Types of Pollution MCQ Questions, download Kobo e-Book (Free Chapter) for online courses.
The Chlorofluorocarbon (CFC) remains in atmosphere for
The waste which takes 1 month to be decomposed in landfill is
The continent whose rivers are most polluted in world is
The causes of air pollution includes
According to World Health Organization, the percentage of the deaths due to environmental factors is
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