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1. Now we shall try to explain some observableevents on the earth’s surface from anunderstanding of the earth’s interior.We would like to emphasize, however thatscientists…

1.Magnetic Earth2. Earth as a Magnet In the late 1500s, the English physician Sir William Gilbert became interested in compasses. He spoke with several navigators and experimented…

1. Mrs. Neistadt Physical Science 2.  The theory of plate tectonicsexplains the movement ofcontinents and other geologicalevents like earthquakes andvolcanoes. The…

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