Transportation barriers in north america

Why do you think previous leaders of the country did not want the "common man" to vote?

What is the order from these fractions of least to greatest 1.64 1 and 7/8 0.070 9/5 pls due tomorrow

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