The earth's mantle surrounds a molten outer core; it is a hot, pliable layer of

Scientist believe that earths core is around 6000°c where does this heat come from

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.

Why is the study of demography important to geographers