Emperor who converted to christianity before he died roman empire

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

Could anything have been done through compromise to stop it, or did it have to happen?

Aclaim about history is most likely not valid if it has which of these characteristics?