Fossil fuels such as coal, oil, amd natrual gas were formed over millions of years ago by

These factors hinder environmental protection efforts in eastern europe.

The earth's internal process which drives seafloor spreading is

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.