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其他書名
Questions and Answers
出版Environment Canada, Conservation and Protection, 1991
ISBN066218582X9780662185826
URLhttp://books.google.com.hk/books?id=Kx-1y0v_5tUC&hl=&source=gbs_api
註釋This document was put together to answer a wide range of questions on the different aspects of water, its physical characteristics, its availability both above and below ground, the uses made of it, and how it is shared and managed. It also contains practical advice on what can be done to help conserve this resource, both now and in the future.