Ice crystals form in the upper atmosphere when water vapor freezes around dust particles such as mineral dust, sea salt and industrial dust particles.
(Ice crystals; form; L:in the upper atmosphere; T:when water vapor freezes around dust particles such as mineral dust, sea salt and industrial dust particles) (water vapor; freezes; around dust particles such as mineral dust, sea salt and industrial dust particles)
Ice crystals water vapor
form freezes
L:in the upper atmosphere T:when water vapor freezes around dust particles such as mineral dust, sea salt and industrial dust particles
around dust particles such as mineral dust, sea salt and industrial dust particles