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abhinav from d a v public school, Angul
Subject :NSO    Class : Class 5

Which of the following is the correct reason for the occurrence of earthquake ?

(A) Too many buildings are in one location

(B) The Moon pulls on Earth's surface

(C) Pressure builds up and is suddenly released

(D) Underground explosions take place.


Ans 1:

abhinav from d a v public school, Angul
Class : Class 5

Ans 2:

Saswatayu Sengupta from Don Bosco Park Circus , Kolkata
Class : Class 7
C

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