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)
In 1986, Radner was diagnosed with ovarian cancer. She suffered through chemotherapy and radiation treatments, and went into remission. But two years after first being diagnosed, the cancer came back. She passed away in May 1989 at the age of 42.