What is iambic pentameter

Which lines in this excerpt from act iv of shakespeare’s romeo and juliet reflect the conflict of person versus the unknown?

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.

My best friend is a white girl named denise — we look at boys together. she sat in front of me all through grade school because of our names: o'connor, ozawa. i know the back of denise's head very well. why does the speaker share details about race, friendship, and names in this stanza? check all the correct answers. to indicate that the students were already segregated and isolated to emphasize the idea that all americans were treated as equals prior to the attack to reveal the extent of the impact resulting from the attack on pearl harbor to identify the compassionate response following the attack on pearl harbor