Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
$\text{SPM}$ includes:
A
Flyash.
B
Dust.
C
Soot and smoke.
✓
All the above.
✓
Answer
Correct option: D.
All the above.
Suspended Particulate Matter $(\text{SPM})$ are finely divided matter particles that cause aur pollution. They may be dispersed into air by combustion or industrial processes. Dust, soot and smoke, flash are all Suspended Particulate Matter.
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