Question

Which of the following is suspended particulate matter. *
1 point
Dust
Smoke
Both a and b
Carbon dioxide

Answer 1

Answer:

Q=what are 4 sources of particulate matter.

Explanation:

Particulate Matter (PM) Sources. Components of particulate matter (PM) include finely divided solids or liquids such as dust, fly ash, soot, smoke, aerosols, fumes, mists and condensing vapors that can be suspended in the air for extended periods of time.

your ans is both a&b

Answer 2

Answer:

Which of the following is suspended particulate matter. *

1 point

Dust

Smoke

Both a and b

Carbon dioxide

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