ICSE /Class 3
Science MCQ Based On Pollution in cities
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ICSE Class 3 Science Pollution in cities
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increasing population needs more space, so deforestation is needed to make space which leads to increase in green house gasses and causes global warming, and more people cause more polution by more vehicles and more waste.
Types of pollution
Types of pollution
throwing waste anywhere
sound of vehicles, loud speakers, airplanes, jets, train horns etc.
water pollution
contamination of lakes, rivers, oceans and ponds by industrial wastes, bathing, washing, throwing wastes from cities.
ozone, smog
noise from factories, horns, powerplants, vehicles, trains, loud speakers
nitrate and phosphate
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