Vandana Publication
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Special attention has been paid in this book to the study of climate and to the use of maps. The methods adopted differ somewhat from those often employed. Instead of attempting to provide a condensed encyclopeadia of geographical information the author has selected the facts in the regional description of each country which seemed most typical of the physical conditions, and dealt with them in considerable detail. A full series of diagrams has been constructed ...
Water is absolutely decisive for human survival, and the earth is called the Blue Planet precisely because most of it is covered by water: 71 percent of the earth's surface is covered with water, and the total amount is estimated at the unfathomable large 13.6 billion cubic kilometers. The presented book consists of a comprehensive treatment about the varied sorts of environmental problems deterring colossal danger.