Answer:
Theodore Boone returns in this fifth adventure from #1 New York Times bestselling author John Grisham, master of the modern legal thriller
Theo Boone thought the danger had passed, but he’s about to face off against an old adversary: accused murderer and fugitive Pete Duffy. On a field trip to Washington, DC, Theo spots a familiar face on the Metro: Duffy, who jumped bail and was never seen again. Theo’s quick thinking helps bring Duffy back to Strattenburg to stand trial. But now that Duffy knows who he is, Theo is in greater danger than he’s ever been in before. Even when everything is on the line, Theodore Boone will stop at nothing to make sure a killer is brought to justice.
Explanation:
Shells evolved from ribs. ... Turtles and other shelled creatures use shells like shields to protect themselves from predators, or animals that hunt them. Turtles probably needed a shield on their backs and stomachs because they faced predators in the ocean from both above and below.
D. That all aspects of the piece should work together to create a certain effect
To create a "unity of effect" on the reader, it should have a certain effect on the reader. Like a really sad and depressing book should not exactly make the reader sad, but to feel the parts of the book that spoke out to the reader.