Fill in the blank. The United States entered World War I after Germans sank American supply

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

Explain how colonists treated the native americans and what happened to natives. ! ^^^ 12 points

Which of the following was the us government allowed to do under the articles of confederation?