1.

Tiny ash partides as pollutants are given out by(a) aerosol spray(b) refrigerators(c) air conditioner(d) power plants​

Answer»

Answer:

A fitted FACE mask with a PM2. 5 FILTER offers a high degree of filtration from particles in the air. PM 2.5 refers to these filters' original use as protection against particle pollution LESS than 2.5 micrometers wide.



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