A factor used in retrospective premium calculations. It is a percentage of the standard premium and is used to provide the insurer with up-front money for administrative expenses. The Basic Premium Ratio, a percentage, is generally found in the retro manual of the plan being used. Retrospective plans, otherwise known as retros, are claim sensitive workers compensation rating programs specifically designed and used when an employer is of the size required to justify its use.
Q: In which order will seismic waves from an earthquake arrive? A. P waves, S waves, L waves B. L waves, S waves, P waves C. P waves, L waves, S waves D. S waves, P waves, L waves. A: P waves, S waves, L waves is the order of the seismic waves in which an earthquake arrives. baby_SJ01|Points 310|.
Surface waves are the slowest seismic waves and are the final waves to hit an area after an earthquake. First, P-waves move through compression through the deep layers of the Earth. P-waves are also carried by air and water, causing them to make a sound when they hit the Earth's surface. They result in minimal damage.