African work songs and rock n' roll
The P wave is the primary preliminary wave because it is the first to arrive at a seismic station after an earthquake.
Based on the given description above, the correct answer would be the last option. Based on the given information above when the climatologist finds volcanic ash at the bottom of the core, followed by increasing amounts of dissolved oxygen as she goes to the top of the core sample, this might be because a <span>volcano erupted, followed by a period of increased oxygen in the atmosphere. Hope this answer helps.</span>
That would be the Gobi desert.
You would find it in the disk.
