The answer to this question is that the techniques used in the excerpt
are 1, simile (wrapped up like garbage) and 3, sensory imagery (the
smell of too old potato peels). The combination of the two here makes
for very powerful writing.
Hey there!
First, make sure you know what an abstract noun is.
Abstract Noun-<span>a noun denoting an idea, quality, or state rather than a concrete object.
</span>
In this case, the answer is D(Logic is easily understood)
The tropics, underwater volcanic regions, the equator.