Even in the 21st century, we are still heavily dependent on the conventional sources of energy and not on the cleaner alternate sources. Elaborate

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.

How does central place theory explain patterns in the size and distribution of cities?

What does the kyoto protocol aim to reduce