which of these is a source for particulate matter in the air? a. automobiles b. dust c. fires d. all of the…
which of these is a source for particulate matter in the air? a. automobiles b. dust c. fires d. all of the above please select the best answer from the choices provided.
Answer
Brief Explanations:
Automobiles emit particulate matter from exhausts. Dust is a common particulate in air. Fires release smoke and ash which are particulate matter. So all are sources.
Answer:
D. all of the above