The professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves.

which underlined word functions as a reflexive pronoun in the sentence?

herself and themselves are reflexive pronouns

Explanation:

The professor herself (just she and none more)

Presenters had to excuse themselves  (they had to excuse to one another)

In the sentence, “The professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves,” the underlined words that function as reflexive pronouns are herself and themselves.

Explanation:

Words that end with -self or -selves fall under the category of reflexive pronouns. These words are used in sentences where the subject and object are the same. Here, “herself” refers to the professor who wanted to attend a particular conference.

When the conference got cancelled they excused one another, in other words, the pronoun “themselves” is being used.  Some other examples of reflexive or anaphoric pronouns include myself, oneself, yourself, itself, ourselves etc.

impartial means: treating all rivals or disputants equally; fair and just.

i would say that impartial is agreeing with something, because impartial means to treat your rivals, arguments, and reasoning equally and fair. so if you rival says something, agreeing on it means you did the impartial.

a. she is a young, beautiful woman who deeply cares about her husband.

is correct