What was the prevailing economic challenge the us faced at the start of ww2

3. what was the government’s target population (goal) for 2000?

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

In 1819, what did the united states obtain from spain for $5 million?