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1) Answer: S-waves, also known as secondary waves.
2) Answer: Seismic stations located at increasing distances from the earthquake epicenter will record seismic waves that have traveled though increasing depths in the Earth.
3) Answer: P waves.
4) Answer: Surface waves.
5) Answer: shear waves.
7) Answer: Travelling only through the crust, surface waves are of a lower frequency than body waves, and are easily distinguished on a seismogram as a result.
8) Answer: Rayleigh waves.
sorry couldn't answer 9 and 10.
Answer:
idea principal: la participacion en los asuntos publicos
palabras clave: sociedad civil, derecho fundamental, tratados, pactos.
idea tematica: La importancia de la participacion en los asuntos publicos, ya que esto es un derecho fundamental
It would be C . Miercoles