A mule is a cross between a donkey and a horse. Therefore, a mule will have some donkey characteristics such as large ears, a head just a bit too large for its body, a skimpie â¦ r tail, some still have the cross on their backs from the donkey, and they often have small looking feet.
Density of air. The density of air, Ï (Greek: rho) (air density), is the mass per unit volume of Earth's atmosphere, and is a useful value in aeronautics and other sciences. Air density decreases with increasing altitude, as does air pressure. It also changes with variances in temperature or humidity.
Definition (NCI). The total volume of air in the lungs after maximum inhalation. Definition (NCI_CDISC). The total volume of air in the lungs after maximum inhalation. Definition (MSH). The volume of air contained in the lungs at the end of a maximal inspiration.efinition (NCI). The maximum volume of air a subject can inhale into the lungs after a tidal exhalation (IRV plus TV). Definition (MSH). The maximum volume of air that can be inspired after reaching the end of a normal, quiet expiration.