Do you know who is credited with the creation of black history month

How did regional differences in italy initially prevent unity in the new nation?

Which of the following flow charts accurately illustrates the history of constitutional amendments in the united states?

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