Why did the trade in african slaves increase dramatically in the seventh century?

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

Enforces the laws.a.legislativeb.executivec.judicial

What was the grimke sisters' argument for equal rights for women based on?