Amazing knowledge

In life, we often encounter some problems and want to know the answer, but we don't know.Such as these: Canned drinks really can't be drunk in the mouth?Do new phones have to be charged for 8 hours?Is laser correction of myopia reliable?Can cacti really protect against radiation?Many people can't answer.This book is a collection of many unanswered questions in life, and then gives scientific answers and explanations.Astronomy and geography, life encyclopedia, up and down 5000 years, etc., all kinds of strange knowledge, everything you need, tell you the truth that 99% of people can't know!This knowledge is amazing. Not only is it useful, but it can also enlighten thinking, broaden horizons, and arouse a strong thirst for knowledge.Make you more knowledgeable, more interesting and more popular!

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