Question: You are writing a research essay on current trends in international travel among 18-25 year olds, with an emphasis on current trends. Which source is likely least relevant to your essay? a.) A website about college spring break travel trends that is still updated daily. b.) A travel blog run by a 22-year old that was last updated in 2013. c.) A newspaper article from 2021 about the growing popularity of cruises among young adults. d.) A personal interview with a 20-year old who just returned from a trip to Vietnam.