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Even sisters who share a close bond have usually passed through periods of attenuation.

After all, tidal flats are important foraging areas for birds and contribute to wave attenuation.

They investigated the carbon fluxes and their attenuation off the coast of Peru in an area with a millennia-old permanent oxygen minimum zone.

"We experimentally determined the seismic wave attenuation characteristics, parameters for ascertaining the softness of the lithosphere and asthenosphere, under high temperature and pressure using our short-period oscillation generation technology," explains Prof. Yoshino.

So the idea that there would be some attenuation of the correlation of Europeans and forms of democratic political institutions fits with our commonsense view of of the world.