Which was not a northern strength at the start of the civil war?

manufacturing

standing army

established government

more military colleges and trained officers

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

What are the 4 main reasons to provide information

What was the overall impact of eli whitneys introduction of interchangeable parts?