Arranged thematically, this encyclopedia con tains explanations which, as much as possible, link basic sc ientific principles to everyday life in order to aid underst anding. Cartoons, quizzes and experiments show that science is fun as well as useful. '
Arranged thematically, this encyclopedia con tains explanations which, as much as possible, link basic sc ientific principles to everyday life in order to aid underst anding. Cartoons, quizzes and experiments show that scien...
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