Which principal part is this verb form?
(have) looked
a. past
b. present
c. present participle
d. past participle

Why do people live together and form societies

This thinning would materially change the sound of the drum, evidence that although it might continue to be used for its original purpose of music-making or calling people to arms, it would now do so with a different voice. a musical instrument had become a trophy, and the new carvings were in fact branding, a statement of the north’s political dominance over central africa and of allegiance to islam. the drum had come to khartoum at a critical moment in sudanese history. in an audio version, stressing the word "branding" would do what for the listener? emphasize the word's importance and the idea that followsadd emphasis to the following sentencesignal that something important has just been repeatedadd emphasis to the preceding sentence

After thea elvsted leaves the room, crushed by lovborg’s statement that he had destroyed the manuscript, he says to hedda, “to you i can tell the truth, hedda.” why does he think he can tell hedda the truth? do you think he’s right in this statement? why or why not? your answer should be at least one hundred words.