liz 12 X G A model for combining th X Understanding Blackbody X | Upload Documents for Fr X n/courses/13157/quizzes/111402/take O aaa The question does not make sense. D Question 13 7 pts A model for combining the electromagnetic, weak, and strong nuclear interactions into a single basic force is a(n) O electroweak theory O grand unified theory (GUT) O quark theory O generalized theory of relativity O theory of strangeness D Question 14 7 pts Which of the following is NOT a fundamental force of nature? M O Ch W 83.F DELL