Please read this article Seismic waves (http://www.geo.mtu.edu/UPSeis/waves.html) and then make a post (reply to this post) about what you know about seismic waves. Please answer the following questions at least:
1. What are the three types of waves?
2. What do they tell us about the interior of the earth?
3. What are the layers of the earth?
4. Which type of waves cannot go though liquids?
5. What is the lithosphere and how is it broken up?
6. What are the three types of plate boundaries?
After you finish your post you please go and reply to another’s posts.