1. The streetcars are like frosted cakes covered with snowflakes. *

Which of these sentences has an error in subject-verb agreement? a. official procedures calls for students who are tardy three times to serve detention. b. as a result of her efforts, a team of volunteers signs up every month to clean the city's parks. c. the committee of parents protested loudly at the school board meeting. d. each of the neighbors brings a dish to share at the pot-luck gathering.

What does a change in medium allow the audience to do?

Based on the information in the passage, what conclusion can the reader make?