Hi I am shushant singh Rajput

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

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

Brainliesttt !me : ) describe the event : increase in islamic extremis in the middle east