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With the support of scientific and technical discoveries and global economic and media connections, wars have grown into planetary events.
"Treasury of knowledge for young people - Prehistoric life" (1981) is a popular science book intended for younger readers that explains the development of life on Earth before the appearance of written records.
Answers to 244 more questions from the world of science
Das Werk enthält eine Vielzahl von Quizzen, Denkspielen und Rätseln, die unterhalten und zum Denken anregen sollen. „Quizology“ ist ideal für Fans von Brettspielen, Quizzen und intellektuellen Herausforderungen und bietet stundenlangen Spaß und Lernspaß.
"Treasure trove of knowledge for young people - Traffic" (1981) is an educational book that explains the development and importance of traffic throughout history to young readers.
A sought-after popular science work that presents the origin, types and economic importance of minerals and the development of mining. The authors simply explain minerals, metals and their applications. With seven color plates.