What is the value of knowing the composition of the Earth's interior based on the information provided by the seismic waves? A The change in speed of the earthquake's vibrations gives us an idea of the physical properties and various depths of the earth. The appearance of the fault line after the earthquake shows the characteristics of the interior of the earth C The destruction caused by the earthquake cater a new life that can be formed. D Seismic waves and interior of the earth has no relation 15 What could possibly happen when Scientist didn't discover the importance of seismic waves in studying the earth s interior? A We can prepare for the coming of the earthquake in our community, 8 People may find rest and enjoyment in hazardous place without any obstacles. C Students studies the earth's interior in pictures only that can be seen on television or magazines. D We can't know the physical properties of various depths of the interior of the Earth that is important in studying it's layers​