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Nadeem Khan

· started a discussion

· 1 Months ago

solution should be in both english and hindi (Question: 188145.0 )

sir detail solution should also be in hindi.

Question:
What is 'Particulate matter'?
Options:
A) Solid residue
B) Air pollutant
C) Water pollutant
D) Soil pollutant
Solution:
Ans: (b) Particulate matter (PM), also known as particle pollution, is a complex mixture of extremely small particles and liquid droplets that get into the air. Once inhaled, these particles can affect the heart and lungs and cause serious health effects.

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