roberto is conducting research about the ethics of confining animals in zoos. which source on his list is…

roberto is conducting research about the ethics of confining animals in zoos. which source on his list is the most credible?\n○ a site where people share stories about their experiences in zoos and their feelings about zoos\n○ a research study published on a universitys website about how being in a zoo affects animals\n○ an advertisement for a family vacation package that includes an amusement park and zoo\n○ a blog where a zoo owner discusses everyday life working at a zoo and caring for animals
Answer
Brief Explanations:
A university - published research study is peer - reviewed and based on scientific methods, making it more credible than personal stories on a site, an advertisement, or a zoo owner's blog.
Answer:
a research study published on a university's website about how being in a zoo affects animals