Consider the following five sets of research questions and decide which one is the best research question (neither too broad nor too narrow) in each set. A: What marketing strategies does the Coca-Cola company currently apply? B: What is the Coca-cola company's future marketing plan? C: What marketing strategies has the Coca-Cola company used in the past? A: What impact has deregulation had on the airline industry? B: What percentage of commercial airline crashes were traced to negligent maintenance during the 10 years immediately preceding and following deregulation? C: What impact has deregulation had on commercial airline safety? A: Do children sent to day care or preschool start kindergarten with more developed skills? B: Do children sent to day care or preschool start kindergarten with more highly developed language skills? C: Do children sent to day care or preschool start kindergarten with larger vocabularies?A: Do children sent to day care or preschool start kindergarten with more developed skills? B: Do children sent to day care or preschool start kindergarten with more highly developed language skills? 0: Do children sent to day care or preschool start kindergarten with larger vocabularies? A: What are the 14 different disease-causing genes that were discovered in 1994? B: What is the importance of genetic research in ourHves? G: How might the discovery of a genetic basis for obesity change the way in which we treat obese persons, both medically and socially? A: How can adult children of alcoholics most positively interact with their alcoholic parents? 3: How do adult children of alcoholics interact with their alcoholic parents? C: What is the major emotional reaction of adult children of alcoholics to their alcoholic parents