Making the world better, one answer at a time. The federal civil service was created by an Act of Congress in 1871. It was done to prevent the extreme unfairness in the hiring practices for those who worked for the government.
Introduction. Earthquake waves are seismic waves that are created when energy builds up in rocks and they fracture. Scientists estimate there are several million earthquakes each year. Every earthquake produces P waves and S waves but only larger earthquakes produce Love waves and Rayleigh waves.
What Are Seismic Waves? Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an the energy that travels through the earth and is recorded on seismographs. Types of Seismic Waves There are several different kinds of seismic waves, and they all move in different ways.hat Are Seismic Waves? Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an the energy that travels through the earth and is recorded on seismographs. Types of Seismic Waves There are several different kinds of seismic waves, and they all move in different ways.