Why do we put the apostrophe at the end of a word

Exsample: Whats'

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

Where are the strongest jet streams located? over high altitudes over land in the lower atmosphere far away from the equator

What government agency’s primarily focus is emergency preparedness?