Which of the following is/are matched correctly? 1. Earthquake's origi – McqOptions

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1.	Which of the following is/are matched correctly? 1. Earthquake's origin - seismic focus 2. Epicentre - point on earth's surface directly above seismic focus 3. 5 waves - similar to sound waves 4. Richter scale - severity of earthquake
A.	1, 2, 3
B.	1, 2, 3 and 4
C.	2 and 4
D.	3 and 4
Answer» C. 2 and 4

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