PLEASE HELP I NEED THIS FOR MY QUIZ !!

Business and industries in the 1920's most closely followed the buying demands of a) the government b)farmers c)consumers d)manufactures

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

4. any area in which one nation has power over another; i.e. - this happened to china when it was defeated by japan