20. On a climate graph we show record the average of two measurements of weather.
One is , and the other is ?

Which property of soil depends on the size of particles? color odor temperature texture

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.

What is the approximate chemical composition of the solar nebula?