The seeds and leaves of the fennel plant both have a licorice flavor, although the flavor of fennel is milder and somewhat sweeter than anise. Fennel seeds are actually a spice, although the leaves, stalks and roots of the plant are known as a herb.
Definition of air mass. : a body of air extending hundreds or thousands of miles horizontally and sometimes as high as the stratosphere and maintaining as it travels nearly uniform conditions of temperature and humidity at any given level.
How do you classify an air mass? In addition to their overall temperature air masses are classified according to the surface over which they form. continental air masses form over land, and are likely to be d â¦ ry. Maritime air masses form over water and are humid.