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the difference between fine particles and a coarse particle​

Sagot :

Theunknownside77idn

Answer:

Fine Particles vs. Coarse Particles

The primary difference between fine and coarse particles lies in their size.

Coarse Particles

  • Size: Larger than 2.5 micrometers but smaller than or equal to 10 micrometers in diameter.
  • Sources: Primarily from mechanical processes like dust, pollen, and construction activities.
  • Health Impacts: Generally less harmful than fine particles. They can irritate the eyes, nose, and throat.

Fine Particles

  • Size: Smaller than 2.5 micrometers in diameter.
  • Sources: Burning fossil fuels, industrial processes, and wildfires.
  • Health Impacts: More harmful as they can penetrate deep into the lungs and bloodstream, causing respiratory and cardiovascular problems.

To visualize the size:

A human hair is about 70 micrometers in diameter.

Fine particles are smaller than one-thirtieth the diameter of a human hair.

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