According to "how to think like a researcher," a chapter from how to find out anything, one should begin research by asking answerable questions rather than open-ended questions. based on the guidelines in the text, which is an appropriate research question? which state has the most days of nice weather in a year? is a year-round school calendar a better option for students? what is the most difficult thing about taking a trip abroad? what is the average income of a dentist in the united states?