What makes the world go round? : a questionb-sandb-sanswer encyclopedia

When did life begin? When did dinosaurs live? What did the earliest people look like? Do animals see in color? How do parrots talk? What makes lightening happen? Where does the wind come from? How do some plants grow without soil? These are just some of the over 100 intriguing questions that are answered. Written in a straightforward and informative way, this book gives the facts behind the natural world's most fascinating questions.