If a nation has a high dependacy rate it means that the nation has a large amount of children, YOUNG children under the age of 18 that must be provided for and taken care of. Hope I helped :)
P Waves
A P wave, or compressional wave, is a seismic body wave that shakes the ground back and forth in the same direction and the opposite direction as the direction the wave is moving. The P stands for primary, as P waves are the fastest of the 3 wave types.
S Waves
An S wave, or shear wave, is a seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving.
Surface Waves
A surface wave is a seismic seismic wave that is trapped near the surface of the earth.
Higher silica content means higher viscosity. But lower temperatures and low gas content mean higher viscosity. Hence, lower viscosity and low gas content mean higher temperature of magma.
Localización de América. América es un amplio continente que se extiende en el sentido de los meridianos, y además, tiene un largo desarrollo latitudinal. Tengo un link que puede ayudar mas con esto me cuentas vale
which language r u ask in??