What is the differnece between the civil war and the american revoultuion and explain

Unlike european immigrants, chinese immigrants in the 1800s faced: a. language barriers b. laws that severely limited entry c. cultural differences d. nativist sentiments

An educated member of the government

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