21.(LC)
What resulted from the 1920 ratification of the Nineteenth Amendment?

A)Prohibition was repealed.
B) Women gained the right to vote.
C) Presidents were limited to two terms in office.
D) Federal income taxes were approved.

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