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Primarily Earth

Evalyn HooverSheryl MercierAIMS Education Foundation

出版	AIMS Education Foundation, 1996
主題	Science / Earth Sciences / General
ISBN	18814316309781881431633
URL	http://books.google.com.hk/books?id=kqLBHGy2DHcC&hl=&source=gbs_api

註釋

This book offers activities that encourage young learners to take note of the world around them. It is divided into three areas of earth study: the geosphere-the solid portion of the earth; the hydrosphere - the waters on the surface of the earth; and the atmosphere - the air surrounding the earth.