The speed at which seismic waves travel depends on the properties of the material that they are passing through. For example, the denser a material is, the faster a seismic wave travels. P waves can travel through liquid and solids and gases, while S waves only travel through solids.
It went under a physical change because it (1) changed color. (2) changed form.
10% is normally how it works .
For example like 1,000 is the top the next level would be 100 then the next would be 10
