Consider the following statements 1 Secondary of the earthquake travel through gaseous liquid and so...........

Geography Earth Geology

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Consider the following statements:

1. Secondary of the earthquake travel through gaseous, liquid and solid materials.

2. Secondary has helped scientists to understand the structure of the interior of the earth.

Which of the statements given above is/are correct?

1 only

2 only

Both 1 and 2

Neither 1 Nor 2

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Explanation:

Primary waves are similar to sound waves. They travelthrough gaseous, liquid and solid materials. The variations in the direction of waves are inferred with the help of their record on seismograph. The surface waves are the last to report on seismograph. These waves are more destructive. They cause displacement of rocks, and hence, the collapse of structures occurs.