Which of the following happens during the main-sequence stage of a star’s life? a)it cycles, appearing brighter and dimmer in turns. b)it changes the color that it emits. c)it increases its distance from the sun. d)it grows continuously smaller and dimmer.

Which of the following was a goal of the albany movement? question 10 options: a. to declare albany, georgia the new state capital b. to move african american residents of albany, georgia to integrated cities in the state c. to bring an end to segregation in albany, georgia d. to elect african americans to political office in albany, ga

How did europeans and africans displace native americans in north america’s predominant peoples?

How did inca develop their road system? a) they used mortar to hold the stones together. b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks. d) they laid roads in the cities, not in the less densely populated deserts.