Question: Because of his family's medical history, Alan decided to give his informative speech on sickle-cell anemia. When he finished work on the speech, it had the following main points. I. Sickle-cell anemia is a hereditary blood disease caused by abnormal blood cells. II. The effects of sickle-cell anemia include liver damage, blindness, paralysis, and early death. Alan's main points were arranged in __________ order. Group of answer choices medical causal topical analytical