1 Gases consist of large numbers of molecules (or atoms, in the case of the noble gases) that are in continuous, random motion. 2  The volume of all the molecules of the gas is negligible compared to the total volume in which the gas is contained.  Attractive and repulsive forces between gas molecules is negligible.
Medical authorities say that Olympic sprint champion Florence Griffith Joyner died of suffocation month ago after suffering seizure while she slept; say seizure was caused by congenital abnormality of blood vessels in her brain (M)
Two months after comedian Ralphie May was found dead in a Las Vegas private residence, the cause of his death has been revealed. May, 45, died from hypertensive cardiovascular disease, Clark County Coronerâs office confirmed today to People.