Why role did descartes play in influencing philosophy?

Which of the selections below was one pager outcomes of shays rebellion in 1786 in 1787

Why might congress have had difficulty paying the war debt after the american revolution

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