Density can be used in a sentence showing its scientific meaning by defining the term. In definition, you are giving the scientific meaning of the word density and at the same time you are constructing a sentence. For example :
Density is the mass per volume of the material. Basically, it refers to the measurement of how crammed together is the matter. The formula to calculate density is rho = m/v wherein rho is the density, m stands for the mass and v stands for the volume.
I believe she used a simile.
<h2>Answer: <u><em>It would be tension lessens</em></u></h2><h2><u><em /></u></h2><h2>Explanation: <u><em>Because that would happen in a story conclusion</em></u></h2><h2><u><em /></u></h2>
At the start of the poem it repeatedly says I which would make the poem first person narrator. Hope this helps:)