a cause and effect investigation Olson, Gillia M. creator text bibliography mnu Mankato, Minn Capstone Press c2011 2011 monographic eng

print

32 p. : col. ill., col. maps ; 23 cm. "Describes polar bears and their disappearing habitat"-- "RL: 3-4, IL: 3-6"--p. [4] of cover. juvenile by Gillia M. Olson. Includes bibliographical references (p. 31) and index. Polar bear Juvenile literature Polar bears Effect of global warming on Juvenile literature Polar bears Bears Animals Effect of global warming on Cause and effect QL737.C27 O38 2011 599.786/17 Animals on the edge 9781429645324 (lib. bdg.) 1429645326 (lib. bdg.) 2010007719 DLC 100317 20250219094328.0 16140703