The document provides facts about various plants, animals, and natural phenomena. It states that the Great Barrier Reef is the world's largest reef system, giant water lilies in the Amazon can grow over 6 feet in diameter, and the Pacific Ocean is the largest ocean. It also notes that tigers are the biggest cat species, lions are the second largest, sharks have no bones, whales are toothless and use baleen, and elephants are the largest land mammal. Finally, it mentions that amber is fossilized tree resin that can contain trapped plants or animals, around 2000 plant types are used for food, and onions release a gas when cut that irritates the eyes.