What contribution/perspective did each of the individual anti-slavery activists bring to the table?

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

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

Who led the continental army in the final decisive battle of the revolutionary war at yorktown