Earthquakes
Beginning of paper
have plagued our lives for as long as people have inhabited
the earth. These dangerous acts of the earth have been the cause of many deaths
in the past century. So what can be done about these violent eruptions that take
place nearly with out warning? Predicting an earthquake until now has almost
....
Middle of paper
.... shock waves are generated in the
process. Two are classified as body waves—that is, they travel through the
earth's interior—and the other four are surface waves. The waves are further
differentiated by the kinds of motions they impart to rock particles. Primary or
compressional waves (P waves) send particles oscillating back and forth in the
same direction as the waves are traveling, whereas secondary or transverse shear
waves (S waves) impart vibrations perpendicular to their direction of ....
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Word count: 1303
Page count: 5 (approximately 250 words per page)
