Help plz I can’t fine the question in the book

Sam and ben have discovered some strange animals living in the woods behind their house. ben is excited because he believes they are marsupials, an animal he's never observed in the wild before. his brother is sure it is not. what feature should the boys consider in deciding whether the animals are marsupials?

When arriving at a navigation lock what is the order of priority

Which factors are examples of how technology may have affected the great migration apex