In straight lines from high to low pressure areas, as far as I can tell. Hope this helps
The P wave is the primary preliminary wave because it is the first to arrive at a seismic station after an earthquake.
<span>When magma reaches the surface through a volcano, it is called lava. When lava cools, it forms extrusive igneous rock. The process by which rocks are worn down by wind and water, creating sediment.</span>