Why do people need rivers? What causes rivers to flood? These are just a few of the questions answered by this fascinating introduction to rivers. Topics include the paths of rivers, how rivers carve through rocks, types of rivers, waterfalls, headwaters, tributaries, estuaries, deltas, fiords, river plants and animals, people and rivers, and famous rivers.
Escritor: Bobbie Kalman
El Ciclo De Vida De La Lombriz De Tierra
Ages 6 to 8 years. Text in Spanish. Following earthworms from birth to maturity, The Life Cycle of an Earthworm explains the stages of development these ancient annelids undergo before they reach adulthood. Children will be surprised to discover the enormous impact earthworms have on the environment.