The New Book of KnowledgeGrolier Incorporated, 2002 - 21 sider An illustrated encyclopedia with articles on history, literature, art and music, geography, mathematics, science, sports, and other topics. Some articles include activities, games, or experiments. |
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Side 124
... become porous . Fine buildings become shabby , their walls blackened with soot that has settled on them . Building surfaces may actually deteriorate because of air pollution . But the high cost of air pollution is most strikingly ...
... become porous . Fine buildings become shabby , their walls blackened with soot that has settled on them . Building surfaces may actually deteriorate because of air pollution . But the high cost of air pollution is most strikingly ...
Side 173
... become al- coholics . There does not seem to be a partic- ular type of personality likely to become an alcoholic . Alcoholism may affect people of all races and religions . It may affect both men and women , the old and the young , the ...
... become al- coholics . There does not seem to be a partic- ular type of personality likely to become an alcoholic . Alcoholism may affect people of all races and religions . It may affect both men and women , the old and the young , the ...
Side 482
... become warmer . They are alarmed because the amounts of gases such as carbon dioxide , methane , and nitrous oxide in our atmosphere are increasing . These gases tend to trap the radiation that reaches the Earth from the sun . Because ...
... become warmer . They are alarmed because the amounts of gases such as carbon dioxide , methane , and nitrous oxide in our atmosphere are increasing . These gases tend to trap the radiation that reaches the Earth from the sun . Because ...
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