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Justify 'Dust is a Pollutant'....

Justify 'Dust is a Pollutant'.

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Dust is a pollutant because
(i) Dust consists of suspended particles. Inhalation of dust causes lots of discomfort including allergic asthma, bronchitis, cold or cough.
(ii) It reduces intensity of light.
(iii) Dust particles settle over leaf and can block stomata and reduce gaseous exchange in plants.
(iv) It causes irriration of eyes.
(v) Fust particles reduce teh photosynethetic activity of plants.
(vi) In contains smoke, fly ash, particle of silica, lead asbestos, etc, which pollute environment.
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