Answer:
<em>ORGANUM</em> is a term applied to medieval music that consists of Gregorian chant and one or more additional melodic lines.
Explanation:
Organum is a singing technique that finds its roots in the Middle Ages. It was a polyphonic chant that consisted of only two voices overlapped.
The first records we have of the Organum's structure is from a document called "<em>Musica Enchiriadis</em>", dated c. 900, from an anonymous writer.
Because encaustic was very low cualite and better to work with
This slow drying process can also help retain the essential oils of the herbs, which helps to maintain their flavor.
Explanation
