Class 7 geography Practice Tests
Class 7 Geography Online Tests
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The MCQ: Chemical substance used to destroy the weeds in crops is called, "Types of Pollution" App Download (Free) with answers herbicides, monoxides, carob-oxides and pesticides to study online homeschool courses. Solve air and water pollution quiz questions, download Google eBook (Free Sample) for distance learning classes.
MCQ 1: The chemical substance used to destroy the weeds in crops is called
MCQ 2: The harmful substance released by power plants and cars is
MCQ 3: The kind of land pollution in which salt content rises and land becomes unsuitable for farming is called
MCQ 4: The fuel oils and coal are classified as
MCQ 5: The large number of organisms can die if there is
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