Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Why?: Answers to Everyday Scientific Questions
Why? Answers to Everyday Scientific Questions gets to grips with concepts that appear simple and straightforward, but which most people, when asked, really can’t explain. Why is the sky blue? Why is water wet? Why do we need sleep? Why are there 24 hours in a day? For each question, author Joel Levy provides a simple, single line answer followed by more in-depth information about the scientific background on these essential topics. The book spans physics, biology, chemistry, geology, geography, meteorology, paleontology and planetary science – allowing readers to wow friends and family alike with pithy answers to the obvious questions they never thought to ask.