Particles (molecules and ions) in a liquid and a gas move continuously. Because of this movement, particles will spread themselves evenly throughout a liquid or a gas.

Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and educator. She is a financial therapist and transformational coach, with a special interest in ...

Subscribe Login Register Log out My Profile Subscriber Services Search PGe NEWSLETTERS PG STORE ARCHIVES PUBLIC NOTICES OBITUARIES JOBS CLASSIFIEDS EVENTS PETS ...