The solar system formed from
Which phrase best completes the sentence?
o preexisting planets
O
comets
o
black hole
© clouds of dust and gas

Which of the following best summarizes the point of agreement?

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d