Which of the following is a topic sentence: Select one: a. The ball is round. b. Oscar Wilde is an Irish writer. c. The world travels around the sun. d. The ratification of the 21st Amendment caused internal strife among the elite of the United States.

Which of the following sentences requires a colon to be correct? a. in his vacation suitcase, jonathan packed two pairs of pants, four shirts, his swimsuit, and his favorite pajamas. b. when she decided to write a letter, she grabbed her pen, paper, stamps, and address book. c. the new dessert recipe called for equal parts of sugar, cream, peanut butter, and crushed pecans. d. she gathered all of her ingredients to make a smoothie strawberries, blueberries, bananas, and yogurt.