From single-cell amoebas and algae to microanimals, In Rivers, Lakes, and Ponds teaches readers about the microscopic creatures that live in the still waters of lakes and ponds and the rushing waters of rivers and streams.
Know Your USA is a software application designed to help users expand their knowledge of the USA. Each geographic feature of the USA is covered in detail including regions, states, state capitals, major cities, rivers, mountains and lakes. Know Your USA is great software for learning all about the USA and ideal for both home and school use.
Water covers more than 70 percent of Earth’s surface, and all of it is connected in the never-ending water cycle. A substance that can cut through solid rock, destroy cities, sculpt mountains and coastlines, and affect climate, water is a mighty force in nature. The power of moving water, such as in rivers, changes Earth’s landscape, creating valleys and deep canyons over time.
From Earth's two longest rivers, which flow through African deserts and Amazon jungles, to Siberia's great Yenisei-Angara river system, which drains into the Arctic Ocean, this appealing new book vividly brings the world's great waterways into focus. Students will discover how these rivers came to exist, their place in history, what makes each unusual, and current environmental challenges. "In the Field" sidebars cover such topics as monitoring salinity, measuring flow, drilling for oil, ice breakers in action, and more. Photographs, line illustrations, a scientific glossary, and resource listings for further information handsomely supplement the text.
Tackles the tough issues, the complex problems and the political controversies surrounding the vast landmass environment of Asia. The book encompasses everything from economics, land use, energy and transportation, to air pollution, rivers and lakes, oceans, and species and habitat protection.
