What do you notice about the organization and structure of the paragraph? during the last 20 years, some new safety devices have made cars safer. antilock brakes have decreased injuries by about 8 percent. the most important safety device, the seatbelt, has cut injuries caused by accidents by as much as 25 percent. airbags have lessened injuries by about 12 percent. the addition of these safety features has made cars safer. a. there is no topic sentence. b. the main idea is not expressed in the topic sentence. c. nothing is wrong. d. the supporting details are not in a clear order.