Because of his family's medical history, Alan decided to five his informative speech on sickle cell anemia. When He finished work on the speech, it had the following main points. 1. Sickle cell anemia is a hereditary blood disease caused by abnormal blood cells. 2. The effects of sickle cell anemia include liver damage, blindness, paralysis, and early death. Alan's main points were arranged in _______ order.