I'm checking to see if this works.

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

The amazon river is in africa true or false

Because of their geographic similiarities, the nordic nations also have similar a. cultures c. religions b. economic activities d. all of the above