Excellent book for the students of Chemistry and for those who need a reference guide.
It is really fast & easy to download from dropbox.com
The Great Book of Questions and Answers is a comprehensive, fact-packed reference book for children aged 8 and over.
Full of intriguing questions that appeal to curious young minds, The Great Book of Questions and Answers covers a wide range of subjects, including science, history and the natural world. Clear, informative text is accompanied by eye-catching photographs, maps and diagrams throughout.
Flags are part of everyday life. They are used by countries, provinces, cities, international bodies, organizations, and companies……….
BAFFLING AND BIZARRE.
ENTERTAINING AND ENLIGHTENING.
This witty and compulsive collection of trivia will captivate and surprise you with its fun and funky revelations:
Why is the sky blue?
Why are moths attracted to lights?
Why were neckties invented?
Why do people need sleep?
Why is getting married called tying the knot?