An air "purifier" is usually a device put inside an air conditioner used to remove dust and other allergens from the air. An air "sanitizer", on the other hand, is usually a spray used to kill bacteria and viruses that are in the air.
snot
because alfa particle have a tendency to move in air then beta particles
by vibrating, your vocal cords force the air particles around them to vibrate (in fact resonate at the same frequency), so when you talk, the air particles vibrate at a specific frequency.
Aluminum particles can stay airborne for several days when released into air
The oil traps small dirt particles from entering engine.
The gravity traps everythings on a planet.
nose traps some of the dust particles
nose hairs
because of the sand particles
An air "purifier" is usually a device put inside an air conditioner used to remove dust and other allergens from the air. An air "sanitizer", on the other hand, is usually a spray used to kill bacteria and viruses that are in the air.
it traps particles such as dust and pollen
snot
mucus
Cilia acts like a filter. It traps dirt particles that we inhale and moves these particles out of the body.
air moves from particles to particles
Because the carpet is an insulator while the floor kind of isn't. A carpet traps the air particles much better than the floor. So it's that.