What comparison strategy does the author use in the passage?

David's father has three sons : snap, crackle and ?

Choose the sentence with the correct subject-verb and pronoun-antecedent agreement. a. martha spend her days gossiping with everyone who walks by. b. each of the ushers in the wedding had to wear his rented tuxedo. c. the marching band don't raise enough money for its trip to the rose bowl parade. d. neither my sister nor i was happy when her had to move last year.

What is the main difference between hearing and listening? a) hearing is easy; listening is hard. b) hearing involves the outer ear; listening involves the inner ear. c) hearing is the physical activity; listening involves processing the information. d) none of the above