The boundary between two air masses have unique densities. When it does now not move, it is known as "stationary"; "warm" when hotter air replaces cooler air; "cold" when cooler air replaces warmer air. Hope this helps!
<span>No more than 36 credits will be required for graduation. Those whose majors require more than 16 credits may take correspondingly fewer than 20 outside the major. At least 16 of the 20 credits outside the major must be Arts and Sciences courses.</span>
