Elli’s geometry teacher asked each student to devise a problem and wrote out its solution. Here is ella’s work

What two properties affect the density of ocean water

In a scientific experiment, a is any factor that can be changed or be changed

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.