Answer:
<em>Gregorian Chant </em>One voice singing a chant melody, accompanied by one or more voices singing the same rhythm. It is monophonic.
<em>Organum </em>Non-liturgical Latin poems set to simple melodies. It is also a polyphonic work.
<em>Conductus </em>Non-liturgical compositions that often featured two singers. It is also a polyphonic work.
<em>Motet </em>A cappella, monophonic settings of liturgical texts.
I have set the 4 compositional styles chronologically.
Debra is more likely than Rachel to be involved in physical activity. Since there are boys in her group, the group would usually be doing physical activity.
<span>The drawing technique of using dots to create degrees of shading or solidity instead of using lines is called stippling. Your options are cross-hatching, stippling, and dotting. Cross-hatching refers to using parallel lines to create shading, so that is incorrect. Although dotting is similar to stippling, here the correct answer is still stippling, that is the technique you need.</span>