Aristarchus was an astronomer who taught that the sun was a. the chariot of apollo. c. revolving around the earth. b. the center of the universe. d. collapsing.

Technician a says that the sine with dwell (swd) test is used to determine if an electronic stability control system functions normally. technician b says that the esc lamp, called a telltale light, is required to remain on for two minutes. who is correct?

Unlike european immigrants, chinese immigrants in the 1800s faced: a. language barriers b. laws that severely limited entry c. cultural differences d. nativist sentiments

Jefferson davis was the president of the united states of america during the civil war. true or false?