Which of these fields is the best example of what physical geographers study? A. ecosystems and environments
B. ancient cultures
C. economics and governments
D. cities and societies

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

What changed about odysseus soldiers after they encountered the lotus-eaters ?

Which of the following associations is incorrect? a. franklin d. roosevelt-social security b.theodore roosevelt- conservation of natural resources c. franklin d. roosevelt- the panama canal d.theodore roosevelt-the russo-japanese war