What is one latitude where there is no continental barriers?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

J. j. thomson’s experiment disproved the theory that an atom

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?