Waring Rob Shark Alley Издательство: Heinle/Cengage Learn Жанр: Heinle/Cengage Learn Качество: Хорошее Страниц: 32 Формат: pdf, fb2, epub In Shark Alley, South Africa, people often go underwater in protected environments to watch great white sharks in their natural surroundings. Some people believe that this makes the sharks more violent, others feel there is no change in behavior. Two researchers want to find the truth. How do they study the sharks? What do they find out?
