The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 73
Another cause is the difference in cloudi- ness at low and high latitudes . Tropical clouds are usually scattered or broken . The clear spaces allow sunshine to raise the daytime temperature and permit the earth's radiation to escape ...
Another cause is the difference in cloudi- ness at low and high latitudes . Tropical clouds are usually scattered or broken . The clear spaces allow sunshine to raise the daytime temperature and permit the earth's radiation to escape ...
Page 512
The forces that cause concrete to deteriorate include freezing and thawing of water - saturated con- crete , expansion caused by the reaction between reactive aggregates and alkalis in cement , reac- tions between soil and water ...
The forces that cause concrete to deteriorate include freezing and thawing of water - saturated con- crete , expansion caused by the reaction between reactive aggregates and alkalis in cement , reac- tions between soil and water ...
Page 657
Similarly , changes in environ- ment and eating habits may cause changes in bowel function . Constipation may also be caused by drugs , such as codeine and aluminum hy- droxide . Many people have a long history of chronic constipation ...
Similarly , changes in environ- ment and eating habits may cause changes in bowel function . Constipation may also be caused by drugs , such as codeine and aluminum hy- droxide . Many people have a long history of chronic constipation ...
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