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(A) In major Indian metropolitan cities like Delhi,the primary atmospheric pollutants are Suspended Particulate Matter $(SPM)$.These particles are ext

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Suspended Particulate Matter $(SPM)$

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(A) In major Indian metropolitan cities like Delhi,the primary atmospheric pollutants are Suspended Particulate Matter $(SPM)$.These particles are extremely small and can remain suspended in the air for long periods.They are primarily generated from vehicular emissions,industrial activities,and construction dust.$SPM$ is considered a major health hazard as it can penetrate deep into the respiratory system,causing severe respiratory issues.

In almost all major Indian metropolitan cities like Delhi,the major atmospheric pollutants are .........

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