Which of the following is punctuated correctly?
a. several things bring me memories of my mother; roses, snow, amethysts, and piano music.
b. several things that bring me memories of my mother are: roses, snow, amethysts, and piano music.
c. several things that bring me memories of my mother are; roses, snow, amethysts, and piano music.
d. several things bring me memories of my mother: roses, snow, amethysts, and piano music.

Read this sentence from "the wife's lament

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

4friends evenly divided up a nn-slice pizza. one of the friends, harris, ate 11 fewer slice than he received.