The ultra high energy particles come from the sun. The sun's UV rays the high energy rays.
They are fundamental particles.
Tonsilitoths
Particles is the best I can come up with! Everything is made up of particles
Sandstone.
electrons
They are material ejected from the moons by impacts.
particles of dust that come from space
Particles in a tube or flask come from the surrounding air and materials that were introduced into the tube or flask. They can also be generated from the breakdown of chemicals or materials present in the container. Additionally, particles may be intentionally added for experimentation or analysis purposes.
Liquid solids are the particles that come from liquid. This goes through a membrane.
Rutherfordium is an artificial element obtained in particles accelerators.
When particles come together. Therefore, collide. After that they react.
Any vibrating set of particles, eg air.