b. establish reasons why her central idea is true – Q/A (Question and Answer)

Answer:

19. The central idea for Janelle’s speech on the importance of using sunscreen does not break down into logical divisions. Rather than forget this topic and try to find one that divides more logically, what other suggested strategy should Janelle apply?
a. support her central idea with a series of steps
b. establish reasons why her central idea is true
c. create only one main point
d. find new supporting material on the topic and start again