¿Cuales son las propuestas que hace el teórico Daniel Cassany (1993) sobre las diferentes etapas de producción textual?

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

What new concept did the the american revolution introduce into the world

Why did french and austrian troops stops revolts in spain and italy