What are seismic waves? How have they helped in understanding the structure of the earth? (250 W/ 15 M)

Mentor’s Comment: Introduction should explain about Seismic waves as it has been the basis of most hypotheses developed on earth’s structure. How it gets generated. Further, mention the types and their respective features concerning the earth’s structure. How seismic waves are measured. Next, mention how these waves helped in understanding the features of earth. As … Continue reading What are seismic waves? How have they helped in understanding the structure of the earth? (250 W/ 15 M)