PowerPoint Presentation · 2016-06-30 · Title: PowerPoint Presentation
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MANNAM FOUNDAITON CENTRE FOR EDUCATION TECHNOLOGY,
PORUVAZHY P O EDAKKAD
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HASEENA.BNATURAL SCIENCE
REG NO. 18114373011
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AIR POLLUTION
Air pollution is the undesirable change in the physical, chemical or biological
characteristics of the air.
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SOURCE OF AIRPOLLUTION
They are mainly classified into two types1.Natural sources2.Anthropogenic source
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NATURAL SOURCES
Vocan eruptionWeathering of rocksDispersal of pollengrains and fungal spores
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Anthropogenic source
•Extensive urbanization•Massive industrialization•Intensive Agriculture
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EFFECTS OF AIRPOLLUTION
Effects on human healthDepletion of ozonelayerGreen house effect
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CONTROL MEASURES OF AIRPOLLUTION
Use catalytic converters and neutralizers in automobiles to neautralize exhaust fumesUse furnace fuels which have very low sulphur contentsUse gaseous flues in automobiles to enable complete combustion and also to reduce the emission of toxic substances.
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