1. What became the main labor source in the southern colonies? A. African slaves B. English colonists C. indenkred servants D. Native Americans​

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

Which of the following is not a requirement to become a us representative (congressman/congresswoman)? a. be at least 25 years old b. have been a citizen of the united states for the past seven years c. be (at the time of the election) an inhabitant of the state they represent. d. hold a college degree

Why did trade along the silk road increase after it fell under mongol control? o people stopped using camels the mongols paved the road o it became safer to travel the mongols were better traders next question ask for