Do you think it's possible to find an exact width for every square area? why?

What two elements should be in an essay

Read this excerpt from tim o’brien‘s “ambush” “i had already pulled the pin on a grenade. i had come to a crouch” which literary device is most clearly shown in this excerpt?

Read the excerpt from”do not go gentle into that good night” which statement best describes the effect of the refrains in this excerpt?