When a gas is cooled the particles

If a gas is cooled, its particles will eventually stop moving about so fast and form a liquid. This is called condensation.

Explanation:

labor day, patriot day, leaves start to change colors then fall from the tree

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.