What is pollution?, Cleaning environment, Contamination of environment, Growing plants, Saving water, Which is an effect of air pollution?, Healthy lungs, Clean air, Better health, Respiratory illness, Water pollution occurs when:, Harmful substances enter water, Water is filtered, Water is boiled, Rain falls, Soil pollution reduces:, Sunlight , Water Level, Air quality , Soil Fertility , An effect of noise pollution is:, Good Sleep, Increased blood pressure, Clean air, Happiness, Which is a cause of soil pollution?, Trees, Rain, Chemicals and waste, Wind, Acid rain is caused by:, Air Pollution , Noise pollution , Clean water, Soil pollution , Pollution of land is called:, Water pollution , Air pollution , Soil pollution , Noise pollution .

Pollution

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