Water Circulation - Pollution And Purification Systems

This INTERACTIVE ENCYCLOPEDIA is an informative reference book which gives the full representation of how water works in nature. PLAY AND LEARN - Interact with colorful illustrations - click and learn new information with pleasure; GET THE INFORMATION IN ONE CLICK - In what way does the pollution influence the nature? How does water circulate? Get answers immediately; 4 SCREENS, 4 CARTOONS, 4 THEMES - Watch short cartoons about pollution or interact with the picture yourself; INTERESTING FACTS ABOUT THE WHOLE WORLD - Learn interesting facts about plenty of different countries and places, be aware of how people struggle the water pollution problem. Water Circulation - Pollution And Purification Systems FEATURES: • Informative reference book for inquisitive kids; • Simple interactive tool for self-education; • Brief but informative statements about water circulation.