During the seventeenth and eighteenth centuries, people believed that Earth’s features (mountains, valleys, oceans, rivers) were permanent and had been produced by a few great upheavals. This theory is called
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James Hutton (1726-1797), now known as the father of modern scientific geology, assembled evidence and proposed a counterhypothesis called
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The Principle of ____________ holds that the laws of nature have been constant through time and that present-day processes have operated throughout Earth’s history; therefore, we can better understand past events by studying modern processes
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The ______ ____ _____ is the result of the collaboration of many earth scientists working together to construct a chronology of events on Earth. Relative geological time scale & absolute geological time scale.
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_________ dating is used to determine the absolute age of rock body
