Why would americans have worried about a potential missile gap

Which of the following was a reason why the loss of alsace and lorraine to germany was a major blow to france?

This excerpt reveals that elinor is select all that apply

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