Which of the following synonyms has the most negative connotation? Your loud interruptions really on our otherwise productive meeting.

A. impose
B. infringe
C. intrude
D. intercede

Which synonym describes a character who is a mild troublemaker?

A. Wicked
B. Criminal
C. Malicious
D. Mischievous

answer is b,

"the tracer looks harmless in flight, but the pilot’s bitten lips and white knuckles suggest how dangerous it can be."

it was correct.

i believe it is the first choice (1.)

because the major theme is(“both the wild and civilization have rules.”)

and also as u said,( based on what buck learns within the call of the wild, "both the wild and civilization have rules".this is true of humans within society as well.

the relationship between friendship and dreams are that if you dream to be in a friendship with the person you dreamed of it might happen just keep dreaming.

in the following paragraph, the fourth sentence the correct answer is: three personal subject pronouns

”she was embarrassed when she found that they had been put back on the shelves…”

a   subject pronoun is a personal pronoun. i, you, he, she it, we, they.  

in the sentence it can be observed she, used twice and they used once. is for this reason that is a three personal subject pronoun sentence.