Class 7 geography Practice Tests
Class 7 Geography Online Tests
The Air and water pollution Multiple Choice Questions (MCQ Quiz) with Answers PDF (Air and Water Pollution MCQ PDF e-Book) download to practice Grade 7 Geography Tests. Study Air and Water Pollution Multiple Choice Questions and Answers (MCQs), Air and Water Pollution quiz answers PDF to learn online certificate courses. The Air and Water Pollution MCQ App Download: Free learning app for air and water pollution, types of pollution test prep for online elementary school classes.
The MCQ: The natural source of pollution is; "Air and Water Pollution" App Download (Free) with answers: Rain forest; Mining for minerals; Forest fire; Falling of meteoroids; to learn online certificate courses. Solve Air and Water Pollution Quiz Questions, download Apple eBook (Free Sample) for online education.
Besides the forest fires as natural source of pollution, the other major sources of pollution are
The natural source of pollution is
The addition of harmful substances that has bad effects on environment and living things is classified as
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