According to the latest information, up to 300 000 people a year are killed by just small particles.
The smaller particles may take 100 to 10,000 days to sink.
So there is no such thing as the smallest particle of sound.
"Is it the entire universe of small particles, or some specific one?"
The small particles of soil attract and hold on to water.
When the water left the glass, the small particles of salt were united very carefully, and they have found a perfect place to stay.
Finally, it started moving in level flight and then burst into small particles.
Under such conditions, small particles of carbon are generated as well.
To pose a health risk, plutonium-238 has to be taken into the lungs in very small particles.
Small organic particles are moved into the mouth by the tube feet.