What was the cost versus benefits of imperialism of 10 years versus 100 years

Why was the the superficial prosperity in the 1920s

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

Persons or group opposing or hostile to another person or group the definition word is