Answer:
To know how a ciminal operates
In poetry, a syllabic meter is characterized by A. having a fixed number of syllables per line.
So, if we're talking about a pentameter, which is a type of a syllabic meter, it always has to have 10 syllables in each line. An unchanging number of syllables in line is important when it comes to a syllabic meter because it contributes to the rhythm of the poem, whereas stress and pronunciation are not as important here.
The dependent variable is that she bites her nails. Being nervous is an independent variable due to that it doesn't depend on anything said. However, in order for her to bite her nails, she has to be nervous as stated.