Question

h. The fine dust particles in air

One word answer ​

Answer 1

Answer:

Fine Dust, specifically known as PM2. 5, is particulate matter that can be found in the air that is incredibly small — a single particle has a diameter of less than 2.5 micrometers, which means you can easily fit 40 fine dust particles across the width of a single strand of hair.

Answer 2

Answer:

Fine Dust, specifically known as PM2. 5, is particulate matter that can be found in the air that is incredibly small — a single particle has a diameter of less than 2.5 micrometers, which means you can easily fit 40 fine dust particles across the width of a single strand of hair.