You will learn and practice how to: 1  determine thunderstorm base, top, and the trigger needed to get the storm started. 2  identify the boundary layer, cap, troposphere, tropopause, and stratosphere. 3  use the thermo diagram to help calculate various humidities. 4  determine temperature change of vertically moving air parcels.
The term ''immediate precursor'' means a substance 1  -. (A) which the Attorney General has found to be and by regulation designated as being the principal compound used, or produced primarily for use, in the manufacture of a controlled substance; (B) which is an immediate chemical intermediary used or likely to be used in the manufacture of such controlled substance; and.
The noun PRECURSOR has 3 senses: 1. a substance from which another substance is formed (especially by a metabolic reaction). 2. a person who goes before or announces the coming of another. 3. an indication of the approach of something or someone. Familiarity information: PRECURSOR used as a noun is uncommon.he noun PRECURSOR has 3 senses: 1. a substance from which another substance is formed (especially by a metabolic reaction). 2. a person who goes before or announces the coming of another. 3. an indication of the approach of something or someone. Familiarity information: PRECURSOR used as a noun is uncommon.