This quiz application from the Sierra Club shows you the highest, deepest, widest, smallest, heaviest, and fastest places and living things on planet earth.This application covers forty-eight of Nature's superlatives in the areas of geography, biology, and climate. Which mammal bears the most young? (No, not the rabbit.) Where will you find the world's driest and wettest locations? (They're both in South America.) Which insect is the most destructive? (One of their migrating swarms covered 2,000 square miles.) With fascinating answers to questions like these, Extreme Nature will delight inquisitive thrillseekers of all ages. A portion of this mobile application's sales proceeds are donated to the Sierra Club for environmental protection causes.