The document contains facts about beavers including that they have powerful jaws to cut through trees, prefer to eat leaves and plants, can swim 5 miles in an hour with their webbed feet, are herbivores that cut down trees and listen for them to fall, live in North America, Europe and Asia, can live up to 24 years, and are motivated by the sound of running water. It also discusses tundra biomes being the coldest, having a long time for soil to form, and average winter temperatures of -34 to -30 degrees Fahrenheit in the Arctic tundra.