<span>lasting only for a short time; impermanent.</span>
If the bolded word is <em>nobody, </em>then the correct answer is - this is an indefinite pronoun.
Since you don't really know who this nobody person specifically is, it is indefinite.
A rhetorical situation<span> is the </span>context<span> of a </span>rhetorical<span> act, made up (at a minimum) of a </span>rhetor<span> (a speaker or writer), an issue (or </span>exigence), a medium<span> (such as a speech or a written text), and an </span>audience<span>.
</span>
Mainly, the exigence, which is the issue, the audience, and a set of constraints <span> (are parts of the situation because they have the power to constrain decision and action needed to modify the issue)</span>
The answer is c. control our bias. When we are bias towards an idea or belief we
call ourselves from trying to learn it.
We are so set in our ways that we refuse to give it a chance. When you control your bias, you are giving
something a chance and learn from it. It
is an opportunity to grow and improve as an individual.