Which of the following are true statements about franklin roosevelt's experience with polio? a. he made those who come to see him feel good b. he acted like an invalid c. he refused to"allow bodily disability to defeat his will" d. he exercised to strengthen his body e. he learned to walk again without

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