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Title: The two main theories of 20th century physics are Post by: einsteindude on Dec 3, 2014 The two main theories of 20th century physics are
A) relativity and Newtonian mechanics. B) quantum theory and electromagnetism. C) electromagnetism and thermodynamics. D) relativity and quantum theory. E) relativity and electromagnetism. Title: Re: The two main theories of 20th century physics are Post by: mel!811 on Dec 3, 2014 Content hidden
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